{"id":"CVE-2021-32919","aliases":["ALPINE-CVE-2021-32919","DEBIAN-CVE-2021-32919","DSA-4916-1","EUVD-2021-19641","GHSA-c9xv-56cc-gjw2","UBUNTU-CVE-2021-32919","openSUSE-SU-2021:0728-1","openSUSE-SU-2021:0751-1","openSUSE-SU-2024:11197-1"],"status":"published","title":"An issue was discovered in Prosody before 0.11.9. The undocumented dialback_without_dialback...","description":"An issue was discovered in Prosody before 0.11.9. The undocumented dialback_without_dialback option in mod_dialback enables an experimental feature for server-to-server authentication. It does not correctly authenticate remote server certificates, allowing a remote server to impersonate another server (when this option is enabled).","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01392,"percentile":0.72701,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-295"],"published":"2021-05-13T15:12:19Z","modified":"2026-11-03T06:32:58Z","fixes":[{"ecosystem":"Alpine:v3.12","package":"prosody","fixed_in":["0.11.9-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"prosody","fixed_in":["0.11.9-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"prosody","fixed_in":["0.11.9-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"prosody","fixed_in":["0.11.9-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"prosody","fixed_in":["0.11.9-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"prosody","fixed_in":["0.11.9-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"prosody","fixed_in":["0.11.9-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"prosody","fixed_in":["0.11.9-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"prosody","fixed_in":["0.11.9-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"prosody","fixed_in":["0.11.9-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"prosody","fixed_in":["0.11.9-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"prosody","fixed_in":["0.11.9-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"prosody","fixed_in":["0.11.9-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"prosody","fixed_in":["0.11.9-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"prosody","fixed_in":["0.11.9-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"prosody","fixed_in":["0.11.9-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.12","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.10.0"},{"fixed":"0.11.9-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.10.0"},{"fixed":"0.11.9-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.10.0"},{"fixed":"0.11.9-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.10.0"},{"fixed":"0.11.9-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.10.0"},{"fixed":"0.11.9-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.10.0"},{"fixed":"0.11.9-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.10.0"},{"fixed":"0.11.9-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.10.0"},{"fixed":"0.11.9-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.10.0"},{"fixed":"0.11.9-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.10.0"},{"fixed":"0.11.9-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.10.0"},{"fixed":"0.11.9-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.10.0"},{"fixed":"0.11.9-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.10.0"},{"fixed":"0.11.9-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.9-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.9-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.9-1"}]}]},{"source":"osv","ecosystem":"Debian:10","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.2-1+deb10u1"}]}],"versions":["0.11.2-1"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.8-1","0.9.9-1","0.9.10-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.12-2","0.10.0-1","0.10.0-1build1","0.10.0-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.2-1","0.11.3-1","0.11.4-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.10-1","0.11.10-1build1","0.11.10-1build2","0.11.11-1","0.11.11-2","0.11.12-1","0.11.13-1"]},{"source":"osv","ecosystem":"openSUSE:Leap 15.2","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.9-lp152.2.3.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Package Hub 15 SP2","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.9-bp152.2.3.1"}]}],"bundled":4},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.10-1.2"}]}],"bundled":5}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"fedoraproject","product":"fedora"},{"vendor":"prosody","product":"prosody"}],"references":[{"url":"https://blog.prosody.im/prosody-0.11.9-released/","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory","advisory","report"]},{"url":"http://www.openwall.com/lists/oss-security/2021/05/13/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2021/05/14/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Mitigation","Third Party Advisory","advisory"]},{"url":"https://www.debian.org/security/2021/dsa-4916","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://security.gentoo.org/glsa/202105-15","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32919"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/"},{"url":"https://github.com/advisories/GHSA-c9xv-56cc-gjw2"},{"url":"https://security.alpinelinux.org/vuln/CVE-2021-32919","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-32919","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-32919","tags":["report"]},{"url":"https://www.openwall.com/lists/oss-security/2021/05/13/1","tags":["report"]},{"url":"https://prosody.im/security/advisory_20210512.txt","tags":["report"]},{"url":"https://hg.prosody.im/trunk/rev/6be890ca492e","tags":["report"]},{"url":"https://hg.prosody.im/trunk/rev/d0e9ffccdef9","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-32919","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/QFZF2R5S5FEXEQIW4Q7P3QW6HA46PJMX/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1186027","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-32917","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-32918","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-32919","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-32920","tags":["web"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/FJYSI5GATCA32NI325BJB4SQGVY6RLE7/","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2021-37601","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-32919","description":"An issue was discovered in Prosody before 0.11.9. The undocumented dialback_without_dialback option in mod_dialback enables an experimental feature for server-to-server authentication. It does not correctly authenticate remote server certificates, allowing a remote server to impersonate another server (when this option is enabled).","status":"published","published":"2021-05-13T15:12:19Z","modified":"2024-08-03T23:33:55.965Z","updated_at":"2026-11-02T14:33:07.014772Z"}],"euvd":[{"id":"EUVD-2021-19641","description":"An issue was discovered in Prosody before 0.11.9. The undocumented dialback_without_dialback option in mod_dialback enables an experimental feature for server-to-server authentication. It does not correctly authenticate remote server certificates, allowing a remote server to impersonate another server (when this option is enabled).","status":"published","published":"2021-05-13T15:12:19Z","modified":"2024-08-03T23:33:55Z","updated_at":"2026-11-03T03:24:35.30045Z"}],"ghsa":[{"id":"GHSA-c9xv-56cc-gjw2","title":"An issue was discovered in Prosody before 0.11.9. The undocumented dialback_without_dialback...","description":"An issue was discovered in Prosody before 0.11.9. The undocumented dialback_without_dialback option in mod_dialback enables an experimental feature for server-to-server authentication. It does not correctly authenticate remote server certificates, allowing a remote server to impersonate another server (when this option is enabled).","status":"published","published":"2022-05-24T19:02:20Z","modified":"2023-01-29T05:07:38Z","cwes":["CWE-295"],"updated_at":"2026-11-02T14:46:10.663769Z"}],"nvd":[{"id":"CVE-2021-32919","description":"An issue was discovered in Prosody before 0.11.9. The undocumented dialback_without_dialback option in mod_dialback enables an experimental feature for server-to-server authentication. It does not correctly authenticate remote server certificates, allowing a remote server to impersonate another server (when this option is enabled).","status":"published","published":"2021-05-13T16:15:08.347Z","modified":"2026-06-17T03:53:47.97Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:06:53.343329Z"}],"osv":[{"id":"ALPINE-CVE-2021-32919","description":"An issue was discovered in Prosody before 0.11.9. The undocumented dialback_without_dialback option in mod_dialback enables an experimental feature for server-to-server authentication. It does not correctly authenticate remote server certificates, allowing a remote server to impersonate another server (when this option is enabled).","status":"published","published":"2021-05-13T16:15:08.347Z","modified":"2026-11-03T06:32:58.478036685Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-03T07:16:09.603409Z"},{"id":"CVE-2021-32919","description":"An issue was discovered in Prosody before 0.11.9. The undocumented dialback_without_dialback option in mod_dialback enables an experimental feature for server-to-server authentication. It does not correctly authenticate remote server certificates, allowing a remote server to impersonate another server (when this option is enabled).","status":"published","published":"2021-05-13T16:15:08.347Z","modified":"2026-03-15T22:40:48.260242Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:19.793849Z"},{"id":"DEBIAN-CVE-2021-32919","description":"An issue was discovered in Prosody before 0.11.9. The undocumented dialback_without_dialback option in mod_dialback enables an experimental feature for server-to-server authentication. It does not correctly authenticate remote server certificates, allowing a remote server to impersonate another server (when this option is enabled).","status":"published","published":"2021-05-13T16:15:08.347Z","modified":"2026-10-23T18:03:57.721663291Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:35.233346Z"},{"id":"UBUNTU-CVE-2021-32919","description":"An issue was discovered in Prosody before 0.11.9. The undocumented dialback_without_dialback option in mod_dialback enables an experimental feature for server-to-server authentication. It does not correctly authenticate remote server certificates, allowing a remote server to impersonate another server (when this option is enabled).","status":"published","published":"2021-05-13T16:15:00Z","modified":"2025-10-24T04:50:21Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:27.332852Z"},{"id":"DSA-4916-1","title":"prosody - security update","status":"published","published":"2021-05-17T00:00:00Z","modified":"2026-03-09T02:09:33.578701Z","updated_at":"2026-11-02T15:46:17.19998Z"},{"id":"openSUSE-SU-2021:0728-1","title":"Security update for prosody","description":"This update for prosody fixes the following issues:\n\nprosody was updated to 0.11.9:\n\nSecurity:\n\n* mod_limits, prosody.cfg.lua: Enable rate limits by default\n* certmanager: Disable renegotiation by default\n* mod_proxy65: Restrict access to local c2s connections by default\n* util.startup: Set more aggressive defaults for GC\n* mod_c2s, mod_s2s, mod_component, mod_bosh, mod_websockets: Set default stanza size limits\n* mod_authinternal{plain,hashed}: Use constant-time string comparison for secrets\n* mod_dialback: Remove dialback-without-dialback feature\n* mod_dialback: Use constant-time comparison with hmac\n\nMinor changes:\n\n* util.hashes: Add constant-time string comparison (binding to CRYPTO_memcmp)\n* mod_c2s: Don’t throw errors in async code when connections are gone\n* mod_c2s: Fix traceback in session close when conn is nil\n* core.certmanager: Improve detection of LuaSec/OpenSSL capabilities\n* mod_saslauth: Use a defined SASL error\n* MUC: Add support for advertising muc#roomconfig_allowinvites in room disco#info\n* mod_saslauth: Don’t throw errors in async code when connections are gone\n* mod_pep: Advertise base pubsub feature (fixes #1632: mod_pep missing pubsub feature in disco)\n* prosodyctl check config: Add ‘gc’ to list of global options\n* prosodyctl about: Report libexpat version if known\n* util.xmppstream: Add API to dynamically configure the stanza size limit for a stream\n* util.set: Add is_set() to test if an object is a set\n* mod_http: Skip IP resolution in non-proxied case\n* mod_c2s: Log about missing conn on async state changes\n* util.xmppstream: Reduce internal default xmppstream limit to 1MB\n\nRelevant: https://prosody.im/security/advisory_20210512\n\n* boo#1186027: Prosody XMPP server advisory 2021-05-12\n* CVE-2021-32919\n* CVE-2021-32917\n* CVE-2021-32917\n* CVE-2021-32920\n* CVE-2021-32918\n\nUpdate to 0.11.8:\n\nSecurity:\n* mod_saslauth: Disable ‘tls-unique’ channel binding with TLS 1.3 (#1542)\n\nFixes and improvements:\n\n* net.websocket.frames: Improve websocket masking performance by using the new util.strbitop\n* util.strbitop: Library for efficient bitwise operations on strings\n\nMinor changes:\n\n* MUC: Correctly advertise whether the subject can be changed (#1155)\n* MUC: Preserve disco ‘node’ attribute (or lack thereof) in responses (#1595)\n* MUC: Fix logic bug causing unnecessary presence to be sent (#1615)\n* mod_bosh: Fix error if client tries to connect to component (#425)\n* mod_bosh: Pick out the ‘wait’ before checking it instead of earlier\n* mod_pep: Advertise base PubSub feature (#1632)\n* mod_pubsub: Fix notification stanza type setting (#1605)\n* mod_s2s: Prevent keepalives before client has established a stream\n* net.adns: Fix bug that sent empty DNS packets (#1619)\n* net.http.server: Don’t send Content-Length on 1xx/204 responses (#1596)\n* net.websocket.frames: Fix length calculation bug (#1598)\n* util.dbuffer: Make length API in line with Lua strings\n* util.dbuffer: Optimize substring operations\n* util.debug: Fix locals being reported under wrong stack frame in some cases\n* util.dependencies: Fix check for Lua bitwise operations library (#1594)\n* util.interpolation: Fix combination of filters and fallback values #1623\n* util.promise: Preserve tracebacks\n* util.stanza: Reject ASCII control characters (#1606)\n* timers: Ensure timers can’t block other processing (#1620)\n\nUpdate to 0.11.7:\n\nSecurity:\n\n* mod_websocket: Enforce size limits on received frames (fixes #1593)\n\nFixes and improvements:\n\n* mod_c2s, mod_s2s: Make stanza size limits configurable\n* Add configuration options to control Lua garbage collection parameters\n* net.http: Backport SNI support for outgoing HTTP requests (#409)\n* mod_websocket: Process all data in the buffer on close frame and connection errors (fixes #1474, #1234)\n* util.indexedbheap: Fix heap data structure corruption, causing some timers to fail after a reschedule (fixes #1572)\n\nUpdate to 0.11.6:\n\nFixes and improvements:\n\n* mod_storage_internal: Fix error in time limited queries on items without ‘when’ field, fixes #1557\n* mod_carbons: Fix handling of incoming MUC PMs #1540\n* mod_csi_simple: Consider XEP-0353: Jingle Message Initiation important\n* mod_http_files: Avoid using inode in etag, fixes #1498: Fail to download file on FreeBSD\n* mod_admin_telnet: Create a DNS resolver per console session (fixes #1492: Telnet console DNS commands reduced usefulness)\n* core.certmanager: Move EECDH ciphers before EDH in default cipherstring (fixes #1513)\n* mod_s2s: Escape invalid XML in loggin (same way as mod_c2s) (fixes #1574: Invalid XML input on s2s connection is logged unescaped)\n* mod_muc: Allow control over the server-admins-are-room-owners feature (see #1174)\n* mod_muc_mam: Remove spoofed archive IDs before archiving (fixes #1552: MUC MAM may strip its own archive id)\n* mod_muc_mam: Fix stanza id filter event name, fixes #1546: mod_muc_mam does not strip spoofed stanza ids\n* mod_muc_mam: Fix missing advertising of XEP-0359, fixes #1547: mod_muc_mam does not advertise stanza-id\n\nMinor changes:\n\n* net.http API: Add request:cancel() method\n* net.http API: Fix traceback on invalid URL passed to request()\n* MUC: Persist affiliation_data in new MUC format\n* mod_websocket: Fire event on session creation (thanks Aaron van Meerten)\n* MUC: Always include ‘affiliation’/‘role’ attributes, defaulting to ‘none’ if nil\n* mod_tls: Log when certificates are (re)loaded\n* mod_vcard4: Report correct error condition (fixes #1521: mod_vcard4 reports wrong error)\n* net.http: Re-expose destroy_request() function (fixes unintentional API breakage)\n* net.http.server: Strip port from Host header in IPv6 friendly way (fix #1302)\n* util.prosodyctl: Tell prosody do daemonize via command line flag (fixes #1514)\n* SASL: Apply saslprep where necessary, fixes #1560: Login fails if password contains special chars\n* net.http.server: Fix reporting of missing Host header\n* util.datamanager API: Fix iterating over “users” (thanks marc0s)\n* net.resolvers.basic: Default conn_type to ‘tcp’ consistently if unspecified (thanks marc0s)\n* mod_storage_sql: Fix check for deletion limits (fixes #1494)\n* mod_admin_telnet: Handle unavailable cipher info (fixes #1510: mod_admin_telnet backtrace)\n* Log warning when using prosodyctl start/stop/restart\n* core.certmanager: Look for privkey.pem to go with fullchain.pem (fixes #1526)\n* mod_storage_sql: Add index covering sort_id to improve performance (fixes #1505)\n* mod_mam,mod_muc_mam: Allow other work to be performed during archive cleanup (fixes #1504)\n* mod_muc_mam: Don’t strip MUC tags, fix #1567: MUC tags stripped by mod_muc_mam\n* mod_pubsub, mod_pep: Ensure correct number of children of (fixes #1496)\n* mod_register_ibr: Add FORM_TYPE as required by XEP-0077 (fixes #1511)\n* mod_muc_mam: Fix traceback saving message from non-occupant (fixes #1497)\n* util.startup: Remove duplicated initialization of logging (fix #1527: startup: Logging initialized twice)\n","status":"published","published":"2021-05-14T21:17:01Z","modified":"2026-02-04T03:11:25.370419Z","updated_at":"2026-11-02T16:58:31.879684Z"},{"id":"openSUSE-SU-2021:0751-1","title":"Security update for prosody","description":"This update for prosody fixes the following issues:\n\nprosody was updated to 0.11.9:\n\nSecurity:\n\n* mod_limits, prosody.cfg.lua: Enable rate limits by default\n* certmanager: Disable renegotiation by default\n* mod_proxy65: Restrict access to local c2s connections by default\n* util.startup: Set more aggressive defaults for GC\n* mod_c2s, mod_s2s, mod_component, mod_bosh, mod_websockets: Set default stanza size limits\n* mod_authinternal{plain,hashed}: Use constant-time string comparison for secrets\n* mod_dialback: Remove dialback-without-dialback feature\n* mod_dialback: Use constant-time comparison with hmac\n\nMinor changes:\n\n* util.hashes: Add constant-time string comparison (binding to CRYPTO_memcmp)\n* mod_c2s: Don’t throw errors in async code when connections are gone\n* mod_c2s: Fix traceback in session close when conn is nil\n* core.certmanager: Improve detection of LuaSec/OpenSSL capabilities\n* mod_saslauth: Use a defined SASL error\n* MUC: Add support for advertising muc#roomconfig_allowinvites in room disco#info\n* mod_saslauth: Don’t throw errors in async code when connections are gone\n* mod_pep: Advertise base pubsub feature (fixes #1632: mod_pep missing pubsub feature in disco)\n* prosodyctl check config: Add ‘gc’ to list of global options\n* prosodyctl about: Report libexpat version if known\n* util.xmppstream: Add API to dynamically configure the stanza size limit for a stream\n* util.set: Add is_set() to test if an object is a set\n* mod_http: Skip IP resolution in non-proxied case\n* mod_c2s: Log about missing conn on async state changes\n* util.xmppstream: Reduce internal default xmppstream limit to 1MB\n\nRelevant: https://prosody.im/security/advisory_20210512\n\n* boo#1186027: Prosody XMPP server advisory 2021-05-12\n* CVE-2021-32919\n* CVE-2021-32917\n* CVE-2021-32917\n* CVE-2021-32920\n* CVE-2021-32918\n\nUpdate to 0.11.8:\n\nSecurity:\n* mod_saslauth: Disable ‘tls-unique’ channel binding with TLS 1.3 (#1542)\n\nFixes and improvements:\n\n* net.websocket.frames: Improve websocket masking performance by using the new util.strbitop\n* util.strbitop: Library for efficient bitwise operations on strings\n\nMinor changes:\n\n* MUC: Correctly advertise whether the subject can be changed (#1155)\n* MUC: Preserve disco ‘node’ attribute (or lack thereof) in responses (#1595)\n* MUC: Fix logic bug causing unnecessary presence to be sent (#1615)\n* mod_bosh: Fix error if client tries to connect to component (#425)\n* mod_bosh: Pick out the ‘wait’ before checking it instead of earlier\n* mod_pep: Advertise base PubSub feature (#1632)\n* mod_pubsub: Fix notification stanza type setting (#1605)\n* mod_s2s: Prevent keepalives before client has established a stream\n* net.adns: Fix bug that sent empty DNS packets (#1619)\n* net.http.server: Don’t send Content-Length on 1xx/204 responses (#1596)\n* net.websocket.frames: Fix length calculation bug (#1598)\n* util.dbuffer: Make length API in line with Lua strings\n* util.dbuffer: Optimize substring operations\n* util.debug: Fix locals being reported under wrong stack frame in some cases\n* util.dependencies: Fix check for Lua bitwise operations library (#1594)\n* util.interpolation: Fix combination of filters and fallback values #1623\n* util.promise: Preserve tracebacks\n* util.stanza: Reject ASCII control characters (#1606)\n* timers: Ensure timers can’t block other processing (#1620)\n\nUpdate to 0.11.7:\n\nSecurity:\n\n* mod_websocket: Enforce size limits on received frames (fixes #1593)\n\nFixes and improvements:\n\n* mod_c2s, mod_s2s: Make stanza size limits configurable\n* Add configuration options to control Lua garbage collection parameters\n* net.http: Backport SNI support for outgoing HTTP requests (#409)\n* mod_websocket: Process all data in the buffer on close frame and connection errors (fixes #1474, #1234)\n* util.indexedbheap: Fix heap data structure corruption, causing some timers to fail after a reschedule (fixes #1572)\n\nUpdate to 0.11.6:\n\nFixes and improvements:\n\n* mod_storage_internal: Fix error in time limited queries on items without ‘when’ field, fixes #1557\n* mod_carbons: Fix handling of incoming MUC PMs #1540\n* mod_csi_simple: Consider XEP-0353: Jingle Message Initiation important\n* mod_http_files: Avoid using inode in etag, fixes #1498: Fail to download file on FreeBSD\n* mod_admin_telnet: Create a DNS resolver per console session (fixes #1492: Telnet console DNS commands reduced usefulness)\n* core.certmanager: Move EECDH ciphers before EDH in default cipherstring (fixes #1513)\n* mod_s2s: Escape invalid XML in loggin (same way as mod_c2s) (fixes #1574: Invalid XML input on s2s connection is logged unescaped)\n* mod_muc: Allow control over the server-admins-are-room-owners feature (see #1174)\n* mod_muc_mam: Remove spoofed archive IDs before archiving (fixes #1552: MUC MAM may strip its own archive id)\n* mod_muc_mam: Fix stanza id filter event name, fixes #1546: mod_muc_mam does not strip spoofed stanza ids\n* mod_muc_mam: Fix missing advertising of XEP-0359, fixes #1547: mod_muc_mam does not advertise stanza-id\n\nMinor changes:\n\n* net.http API: Add request:cancel() method\n* net.http API: Fix traceback on invalid URL passed to request()\n* MUC: Persist affiliation_data in new MUC format\n* mod_websocket: Fire event on session creation (thanks Aaron van Meerten)\n* MUC: Always include ‘affiliation’/‘role’ attributes, defaulting to ‘none’ if nil\n* mod_tls: Log when certificates are (re)loaded\n* mod_vcard4: Report correct error condition (fixes #1521: mod_vcard4 reports wrong error)\n* net.http: Re-expose destroy_request() function (fixes unintentional API breakage)\n* net.http.server: Strip port from Host header in IPv6 friendly way (fix #1302)\n* util.prosodyctl: Tell prosody do daemonize via command line flag (fixes #1514)\n* SASL: Apply saslprep where necessary, fixes #1560: Login fails if password contains special chars\n* net.http.server: Fix reporting of missing Host header\n* util.datamanager API: Fix iterating over “users” (thanks marc0s)\n* net.resolvers.basic: Default conn_type to ‘tcp’ consistently if unspecified (thanks marc0s)\n* mod_storage_sql: Fix check for deletion limits (fixes #1494)\n* mod_admin_telnet: Handle unavailable cipher info (fixes #1510: mod_admin_telnet backtrace)\n* Log warning when using prosodyctl start/stop/restart\n* core.certmanager: Look for privkey.pem to go with fullchain.pem (fixes #1526)\n* mod_storage_sql: Add index covering sort_id to improve performance (fixes #1505)\n* mod_mam,mod_muc_mam: Allow other work to be performed during archive cleanup (fixes #1504)\n* mod_muc_mam: Don’t strip MUC tags, fix #1567: MUC tags stripped by mod_muc_mam\n* mod_pubsub, mod_pep: Ensure correct number of children of (fixes #1496)\n* mod_register_ibr: Add FORM_TYPE as required by XEP-0077 (fixes #1511)\n* mod_muc_mam: Fix traceback saving message from non-occupant (fixes #1497)\n* util.startup: Remove duplicated initialization of logging (fix #1527: startup: Logging initialized twice)\n\nThis update was imported from the openSUSE:Leap:15.2:Update update project.","status":"published","published":"2021-05-18T04:04:55Z","modified":"2026-02-04T02:36:38.179251Z","updated_at":"2026-11-02T16:58:31.879684Z"},{"id":"openSUSE-SU-2024:11197-1","title":"prosody-0.11.10-1.2 on GA media","description":"These are all security issues fixed in the prosody-0.11.10-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:21:25.04433Z","updated_at":"2026-11-02T16:58:34.894275Z"}]}}