{"id":"CVE-2017-6967","aliases":["DEBIAN-CVE-2017-6967","DLA-872-1","EUVD-2017-16005","GHSA-3fgq-wvwm-xq86","SUSE-SU-2019:1847-1","SUSE-SU-2019:1860-1","SUSE-SU-2020:1943-1","UBUNTU-CVE-2017-6967","USN-4815-1","openSUSE-SU-2024:11526-1"],"status":"published","title":"xrdp 0.9.1 calls the PAM function auth_start_session() in an incorrect location, leading to PAM...","description":"xrdp 0.9.1 calls the PAM function auth_start_session() in an incorrect location, leading to PAM session modules not being properly initialized, with a potential consequence of incorrect configurations or elevation of privileges, aka a pam_limits.so bypass.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-06","score":0.01501,"percentile":0.74408,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2017-03-17T08:55:00Z","modified":"2026-10-20T10:50:08Z","fixes":[{"ecosystem":"Debian:12","package":"xrdp","fixed_in":["0.9.1-9"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"xrdp","fixed_in":["0.9.1-9"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"xrdp","fixed_in":["0.9.1-9"],"sources":["osv"]},{"ecosystem":"Debian:7","package":"xrdp","fixed_in":["0.5.0-2+deb7u1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:14.04:LTS","package":"xrdp","fixed_in":["0.6.0-1ubuntu0.1+esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"xrdp","fixed_in":["0.6.1-2ubuntu0.3+esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.1-9"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.1-9"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.1-9"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.0-2+deb7u1"}]}],"versions":["0.5.0-2"]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 12 SP4","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.0~git.1456906198.f422461-21.9.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP4","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.0~git.1456906198.f422461-21.9.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP4","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.0~git.1456906198.f422461-21.9.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:OpenStack Cloud 7","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.0~git.1456906198.f422461-16.9.3"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP2","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.0~git.1456906198.f422461-16.9.3"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP2-LTSS","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.0~git.1456906198.f422461-16.9.3"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Enterprise Storage 4","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.0~git.1456906198.f422461-16.9.3"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:OpenStack Cloud 7","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.0~git.1456906198.f422461-16.20.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP2","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.0~git.1456906198.f422461-16.20.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP2-LTSS","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.0~git.1456906198.f422461-16.20.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP2-BCL","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.0~git.1456906198.f422461-16.20.1"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.0-1ubuntu0.1+esm1"}]}],"versions":["0.6.0-1","0.6.0-1ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.1-2ubuntu0.3+esm1"}]}],"versions":["0.6.1-2","0.6.1-2ubuntu0.1","0.6.1-2ubuntu0.3"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.0-1ubuntu0.1+esm1"}]}],"versions":["0.6.0-1","0.6.0-1ubuntu0.1"],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.1-2ubuntu0.3+esm1"}]}],"versions":["0.6.1-2","0.6.1-2ubuntu0.1","0.6.1-2ubuntu0.3"],"bundled":2},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"xrdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.15-2.2"}]}],"bundled":4}],"products":[{"vendor":"neutrinolabs","product":"xrdp"}],"references":[{"url":"https://github.com/neutrinolabs/xrdp/issues/350","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://bugs.launchpad.net/ubuntu/+source/xrdp/+bug/1672742","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://github.com/neutrinolabs/xrdp/pull/694","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-6967"},{"url":"https://github.com/advisories/GHSA-3fgq-wvwm-xq86"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-6967","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2019/suse-su-20191847-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1014524","tags":["report"]},{"url":"https://bugzilla.suse.com/1015567","tags":["report"]},{"url":"https://bugzilla.suse.com/1029912","tags":["report"]},{"url":"https://bugzilla.suse.com/1060644","tags":["report"]},{"url":"https://bugzilla.suse.com/1069591","tags":["report"]},{"url":"https://bugzilla.suse.com/1090174","tags":["report"]},{"url":"https://bugzilla.suse.com/1100453","tags":["report"]},{"url":"https://bugzilla.suse.com/1101506","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1430","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-16927","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-6967","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2019/suse-su-20191860-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1022098","tags":["report"]},{"url":"https://bugzilla.suse.com/1023988","tags":["report"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20201943-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1138954","tags":["report"]},{"url":"https://bugzilla.suse.com/1144327","tags":["report"]},{"url":"https://bugzilla.suse.com/1144379","tags":["report"]},{"url":"https://bugzilla.suse.com/1150584","tags":["report"]},{"url":"https://bugzilla.suse.com/1152711","tags":["report"]},{"url":"https://bugzilla.suse.com/1153471","tags":["report"]},{"url":"https://bugzilla.suse.com/1155789","tags":["report"]},{"url":"https://bugzilla.suse.com/1155952","tags":["report"]},{"url":"https://bugzilla.suse.com/1157860","tags":["report"]},{"url":"https://bugzilla.suse.com/1173580","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-4044","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2017-6967","tags":["report"]},{"url":"https://github.com/neutrinolabs/xrdp/pull/696","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-6967","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4815-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-16927","tags":["report"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2017-6967","description":"xrdp 0.9.1 calls the PAM function auth_start_session() in an incorrect location, leading to PAM session modules not being properly initialized, with a potential consequence of incorrect configurations or elevation of privileges, aka a pam_limits.so bypass.","status":"published","published":"2017-03-17T08:55:00Z","modified":"2024-08-05T15:49:02.35Z","updated_at":"2026-11-02T14:33:16.916541Z"}],"euvd":[{"id":"EUVD-2017-16005","description":"xrdp 0.9.1 calls the PAM function auth_start_session() in an incorrect location, leading to PAM session modules not being properly initialized, with a potential consequence of incorrect configurations or elevation of privileges, aka a pam_limits.so bypass.","status":"published","published":"2017-03-17T08:55:00Z","modified":"2024-08-05T15:49:02Z","updated_at":"2026-11-03T02:39:10.49179Z"}],"ghsa":[{"id":"GHSA-3fgq-wvwm-xq86","title":"xrdp 0.9.1 calls the PAM function auth_start_session() in an incorrect location, leading to PAM...","description":"xrdp 0.9.1 calls the PAM function auth_start_session() in an incorrect location, leading to PAM session modules not being properly initialized, with a potential consequence of incorrect configurations or elevation of privileges, aka a pam_limits.so bypass.","status":"published","published":"2022-05-13T01:25:26Z","modified":"2023-02-01T05:07:37Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:50:34.561364Z"}],"nvd":[{"id":"CVE-2017-6967","description":"xrdp 0.9.1 calls the PAM function auth_start_session() in an incorrect location, leading to PAM session modules not being properly initialized, with a potential consequence of incorrect configurations or elevation of privileges, aka a pam_limits.so bypass.","status":"published","published":"2017-03-17T09:59:00.413Z","modified":"2026-06-17T01:23:23.82Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:03:44.275273Z"}],"osv":[{"id":"CVE-2017-6967","description":"xrdp 0.9.1 calls the PAM function auth_start_session() in an incorrect location, leading to PAM session modules not being properly initialized, with a potential consequence of incorrect configurations or elevation of privileges, aka a pam_limits.so bypass.","status":"published","published":"2017-03-17T09:59:00.413Z","modified":"2026-10-20T10:50:08.636018746Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:44:06.412595Z"},{"id":"DEBIAN-CVE-2017-6967","description":"xrdp 0.9.1 calls the PAM function auth_start_session() in an incorrect location, leading to PAM session modules not being properly initialized, with a potential consequence of incorrect configurations or elevation of privileges, aka a pam_limits.so bypass.","status":"published","published":"2017-03-17T09:59:00.413Z","modified":"2026-09-01T20:03:49.529609476Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:45:29.412243Z"},{"id":"UBUNTU-CVE-2017-6967","description":"xrdp 0.9.1 calls the PAM function auth_start_session() in an incorrect location, leading to PAM session modules not being properly initialized, with a potential consequence of incorrect configurations or elevation of privileges, aka a pam_limits.so bypass.","status":"published","published":"2017-03-17T09:59:00Z","modified":"2026-02-04T03:16:29.78652Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"},{"version":"3.0","score":7.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:54:15.773974Z"},{"id":"DLA-872-1","title":"xrdp - security update","status":"published","published":"2017-03-27T00:00:00Z","modified":"2026-03-09T02:08:34.266641Z","updated_at":"2026-11-02T15:46:13.584509Z"},{"id":"openSUSE-SU-2024:11526-1","title":"libpainter0-0.9.15-2.2 on GA media","description":"These are all security issues fixed in the libpainter0-0.9.15-2.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:23:56.303894Z","updated_at":"2026-11-02T16:58:35.195147Z"},{"id":"SUSE-SU-2019:1847-1","title":"Security update for xrdp","description":"This update for xrdp fixes the following issues:\n\nThese security issues were fixed:\n\n- CVE-2013-1430:  When successfully logging in using RDP into an xrdp session, \n  the file ~/.vnc/sesman_${username}_passwd was created. Its content was the equivalent \n  of the user's cleartext password, DES encrypted with a known key (bsc#1015567).\n- CVE-2017-16927: The scp_v0s_accept function in sesman/libscp/libscp_v0.c in the session manager \n  in xrdp through used an untrusted integer as a write length, which could lead to a \n  local denial of service (bsc#1069591).\n- CVE-2017-6967: Fixed call of the PAM function auth_start_session(). This lead\n  to to PAM session modules not being properly initialized, with a potential\n  consequence of incorrect configurations or elevation of privileges, aka a\n  pam_limits.so bypass (bsc#1029912).\n\nThese non-security issues were fixed:\n\n- The KillDisconnected option for TigerVNC Xvnc sessions is now supported (bsc#1101506)\n- Fixed an issue with delayed X KeyRelease events (bsc#1100453)    \n- Force xrdp-sesman.service to start after xrdp.service. (bsc#1014524)\n- Avoid use of hard-coded sesman port. (bsc#1060644)\n- Fixed a regression connecting from Windows 10. (bsc#1090174)\n","status":"published","published":"2019-07-15T12:38:52Z","modified":"2026-02-04T04:13:41.691924Z","updated_at":"2026-11-02T15:53:46.44301Z"},{"id":"SUSE-SU-2019:1860-1","title":"Security update for xrdp","description":"This update for xrdp fixes the following issues:\n\nSecurity issues fixed: \n\n- CVE-2013-1430:  When successfully logging in using RDP into an xrdp session,\n  the file ~/.vnc/sesman_${username}_passwd was created. Its content was the equivalent\n  of the user's cleartext password, DES encrypted with a known key (bsc#1015567).\n- CVE-2017-16927: The scp_v0s_accept function in sesman/libscp/libscp_v0.c in the session manager\n  in xrdp through used an untrusted integer as a write length, which could lead to a\n  local denial of service (bsc#1069591).\n- CVE-2017-6967: Fixed call of the PAM function auth_start_session(). This lead\n  to to PAM session modules not being properly initialized, with a potential\n  consequence of incorrect configurations or elevation of privileges, aka a\n  pam_limits.so bypass (bsc#1029912).\n\nOther issues addressed:\n\n- The KillDisconnected option for TigerVNC Xvnc sessions is now supported (bsc#1101506)\n- Fixed an issue with delayed X KeyRelease events (bsc#1100453)\n- Force xrdp-sesman.service to start after xrdp.service. (bsc#1014524)\n- Avoid use of hard-coded sesman port. (bsc#1060644)\n- Backport upstream commit 5575197,\n  sesman should stop setting LANG and let initialization scripts\n  take care of it (bsc#1023988).\n- Backport upstream patches for 32bpp support (bsc#1022098).\n- Fixed a regression connecting from Windows 10. (bsc#1090174)\n","status":"published","published":"2019-07-16T13:30:46Z","modified":"2026-02-04T02:38:19.972472Z","updated_at":"2026-11-02T15:53:46.44301Z"},{"id":"SUSE-SU-2020:1943-1","title":"Security update for xrdp","description":"This update for xrdp provides the following fix:\n\n- CVE-2020-4044: xrdp-sesman can be crashed remotely over port 3350 (bsc#1173580).\n- Fixed an issue where xrdp-sesman could not restart (bsc#1155952).\t  \n- Fixed an issue where xrdp could not start due to an error in the service file use absolute path in ExecStart (bsc#1155789).\n- Fixed a PAM error after 2nd xrdp session after logout (bsc#1153471).\n- Fixed a crash in xrdp-sesman, caused by terminating and reconnecting an xrdp session (bsc#1152711).\n- Fixed a failure in RDP session recovery (bsc#1150584).\n- Fixed a process leak (bsc#1144379).  \n- Let systemd handle the daemons, fixing daemon start failures. (bsc#1138954, bsc#1144327)\n- Don't try to create .vnc directory if it already exists. (bsc#1157860)\n","status":"published","published":"2020-07-17T11:49:49Z","modified":"2026-02-04T03:33:39.70636Z","updated_at":"2026-11-02T15:53:47.634847Z"},{"id":"USN-4815-1","title":"xrdp vulnerabilities","description":"It was discovered that xrdp did not properly validate certain input in the\nsession manager. A local attacker could possibly use this issue to cause a\ndenial of service or other unspecified impact. (CVE-2017-16927)\n\nIt was discovered that xrdp did not properly initialize PAM session\nmodules. A remote attacker could possibly use this issue to escalate\nprivileges. (CVE-2017-6967)\n","status":"published","published":"2021-03-15T21:50:35Z","modified":"2026-06-29T13:48:28.643092176Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}
