{"id":"CVE-2017-17432","aliases":["DEBIAN-CVE-2017-17432","DLA-1213-1","DSA-4067-1","EUVD-2017-8596","GHSA-f7jc-5gw7-phrf","MGASA-2018-0065","UBUNTU-CVE-2017-17432"],"status":"published","title":"OpenAFS 1.x before 1.6.22 does not properly validate Rx ack packets, which allows remote...","description":"OpenAFS 1.x before 1.6.22 does not properly validate Rx ack packets, which allows remote attackers to cause a denial of service (system crash or application crash) via crafted fields, as demonstrated by an integer underflow and assertion failure for a small MTU value.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03053,"percentile":0.87662,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-617"],"published":"2017-12-06T00:00:00Z","modified":"2026-09-01T20:03:45Z","fixes":[{"ecosystem":"Debian:12","package":"openafs","fixed_in":["1.6.22-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"openafs","fixed_in":["1.6.22-1"],"sources":["osv"]},{"ecosystem":"Debian:7","package":"openafs","fixed_in":["1.6.1-3+deb7u8"],"sources":["osv"]},{"ecosystem":"Debian:9","package":"openafs","fixed_in":["1.6.20-2+deb9u1"],"sources":["osv"]},{"ecosystem":"Debian:8","package":"openafs","fixed_in":["1.6.9-2+deb8u6"],"sources":["osv"]},{"ecosystem":"Mageia:6","package":"openafs","fixed_in":["1.6.22-1.mga6"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"openafs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.22-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"openafs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.22-1"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"openafs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.1-3+deb7u8"}]}],"versions":["1.6.1-3","1.6.1-3+deb7u1","1.6.1-3+deb7u1~bpo60+1","1.6.1-3+deb7u2","1.6.1-3+deb7u2~bpo60+1","1.6.1-3+deb7u3","1.6.1-3+deb7u4","1.6.1-3+deb7u5","1.6.1-3+deb7u6","1.6.1-3+deb7u7"]},{"source":"osv","ecosystem":"Debian:9","package":"openafs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.20-2+deb9u1"}]}],"versions":["1.6.20-2"]},{"source":"osv","ecosystem":"Debian:8","package":"openafs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.9-2+deb8u6"}]}],"versions":["1.6.9-2+deb8u2","1.6.9-2+deb8u3","1.6.9-2+deb8u4","1.6.9-2+deb8u4~bpo70+1","1.6.9-2+deb8u5"]},{"source":"osv","ecosystem":"Mageia:6","package":"openafs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.22-1.mga6"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"openafs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.14-1","1.6.15-1","1.6.15-1ubuntu1","1.6.15-1ubuntu1.1"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"openafs","product":"openafs"}],"references":[{"url":"https://www.openafs.org/pages/security/OPENAFS-SA-2017-001.txt","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web","report"]},{"url":"https://bugs.debian.org/883602","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Mailing List","Third Party Advisory","report"]},{"url":"https://www.debian.org/security/2017/dsa-4067","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2017/12/msg00016.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-17432"},{"url":"https://github.com/advisories/GHSA-f7jc-5gw7-phrf"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-17432","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2018-0065.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=22209","tags":["report"]},{"url":"https://dl.openafs.org/dl/1.6.21/RELNOTES-1.6.21","tags":["web"]},{"url":"https://dl.openafs.org/dl/1.6.22/RELNOTES-1.6.22","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2017-17432","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-17432","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-17432","description":"OpenAFS 1.x before 1.6.22 does not properly validate Rx ack packets, which allows remote attackers to cause a denial of service (system crash or application crash) via crafted fields, as demonstrated by an integer underflow and assertion failure for a small MTU value.","status":"published","published":"2017-12-06T00:00:00Z","modified":"2024-08-05T20:51:31.363Z","updated_at":"2026-11-02T14:33:18.248329Z"}],"euvd":[{"id":"EUVD-2017-8596","description":"OpenAFS 1.x before 1.6.22 does not properly validate Rx ack packets, which allows remote attackers to cause a denial of service (system crash or application crash) via crafted fields, as demonstrated by an integer underflow and assertion failure for a small MTU value.","status":"published","published":"2017-12-06T00:00:00Z","modified":"2024-08-05T20:51:31Z","updated_at":"2026-11-03T02:23:10.087185Z"}],"ghsa":[{"id":"GHSA-f7jc-5gw7-phrf","title":"OpenAFS 1.x before 1.6.22 does not properly validate Rx ack packets, which allows remote...","description":"OpenAFS 1.x before 1.6.22 does not properly validate Rx ack packets, which allows remote attackers to cause a denial of service (system crash or application crash) via crafted fields, as demonstrated by an integer underflow and assertion failure for a small MTU value.","status":"published","published":"2022-05-13T01:44:24Z","modified":"2023-02-02T05:01:07Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T14:51:06.494699Z"}],"nvd":[{"id":"CVE-2017-17432","description":"OpenAFS 1.x before 1.6.22 does not properly validate Rx ack packets, which allows remote attackers to cause a denial of service (system crash or application crash) via crafted fields, as demonstrated by an integer underflow and assertion failure for a small MTU value.","status":"published","published":"2017-12-06T00:29:00.273Z","modified":"2026-06-17T01:10:47.613Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T14:04:10.156892Z"}],"osv":[{"id":"CVE-2017-17432","description":"OpenAFS 1.x before 1.6.22 does not properly validate Rx ack packets, which allows remote attackers to cause a denial of service (system crash or application crash) via crafted fields, as demonstrated by an integer underflow and assertion failure for a small MTU value.","status":"published","published":"2017-12-06T00:29:00.273Z","modified":"2026-04-16T06:26:23.19519582Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:04.853379Z"},{"id":"DEBIAN-CVE-2017-17432","description":"OpenAFS 1.x before 1.6.22 does not properly validate Rx ack packets, which allows remote attackers to cause a denial of service (system crash or application crash) via crafted fields, as demonstrated by an integer underflow and assertion failure for a small MTU value.","status":"published","published":"2017-12-06T00:29:00.273Z","modified":"2026-09-01T20:03:45.560669292Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:29.100767Z"},{"id":"UBUNTU-CVE-2017-17432","description":"OpenAFS 1.x before 1.6.22 does not properly validate Rx ack packets, which allows remote attackers to cause a denial of service (system crash or application crash) via crafted fields, as demonstrated by an integer underflow and assertion failure for a small MTU value.","status":"published","published":"2017-12-06T00:29:00Z","modified":"2026-04-22T11:19:52.990617Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:14.563448Z"},{"id":"DLA-1213-1","title":"openafs - security update","status":"published","published":"2017-12-20T00:00:00Z","modified":"2026-03-09T01:01:45.243413Z","updated_at":"2026-11-02T15:46:09.336894Z"},{"id":"DSA-4067-1","title":"openafs - security update","status":"published","published":"2017-12-17T00:00:00Z","modified":"2026-03-09T01:20:59.823544Z","updated_at":"2026-11-02T15:46:16.523846Z"},{"id":"MGASA-2018-0065","title":"Updated openafs packages fixes security vulnerability","description":"This update provides an update to openafs 1.6.22, fixing the following\nsecurity issue:\n\nIt was discovered that malformed jumbogram packets could result in denial\nof service against OpenAFS (CVE-2017-17432).\n\nIt also adds support for 4.14 series kernels.\n","status":"published","published":"2018-01-06T10:14:23Z","modified":"2026-04-16T06:25:49.126719226Z","updated_at":"2026-11-02T15:49:40.442238Z"}]}}