{"schemaVersion":3,"id":"CVE-2017-17432","aliases":["MGASA-2018-0065","UBUNTU-CVE-2017-17432","DEBIAN-CVE-2017-17432","DLA-1213-1","DSA-4067-1"],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2017-12-06T00:00:00.000Z","modified":"2024-08-05T20:51:31.363Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.8,"severity":"high","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Debian","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true}]},"epss":{"probability":0.03053,"percentile":0.8737,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-18T00:00:00.000Z","baselineScore":0.03053},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02933,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03053,"percentile":0.8737}],"last30":[{"date":"2026-09-18T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02933,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03053,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03053,"percentile":0.8737}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-617","name":"Reachable Assertion","description":"The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/617.html"}],"affected":[{"vendor":"debian","product":"openafs","name":"openafs","label":"openafs","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/openafs","purlType":"deb","versions":[{"text":"< 1.6.22-1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.6.20-2+deb9u1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.6.9-2+deb8u6","noFixRecorded":false,"fixedIn":null},{"text":"< 1.6.1-3+deb7u8","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.6.22-1 | < 1.6.20-2+deb9u1 | < 1.6.9-2+deb8u6 | < 1.6.1-3+deb7u8","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"openafs","name":"openafs","label":"openafs","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/openafs","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"debian","product":"debian_linux","name":"debian linux","label":"debian_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"8.0","noFixRecorded":false,"fixedIn":null},{"text":"9.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"8.0 | 9.0","eol":{"isEol":true,"eolDate":"2020-06-30T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"8","label":"8 (Jessie)","eolFrom":"2020-06-30T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":"8.11"},"product":{"name":"debian","label":"Debian","category":"os"}},"hubHref":"/vendor/debian/debian_linux"},{"vendor":"mageia","product":"openafs","name":"openafs","label":"openafs","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/openafs","purlType":"rpm","versions":[{"text":"< 1.6.22-1.mga6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.6.22-1.mga6","eol":null,"hubHref":null},{"vendor":"openafs","product":"openafs","name":"openafs","label":"openafs","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 1.0, < 1.6.22","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 1.0, < 1.6.22","eol":null,"hubHref":"/vendor/openafs/openafs"}],"affectedCount":5,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://www.openafs.org/pages/security/OPENAFS-SA-2017-001.txt","label":"www.openafs.org/pages/security/OPENAFS-SA-2017-001.txt","hostname":"www.openafs.org","tags":["X Refsource CONFIRM","Vendor Advisory","WEB","REPORT"]},{"url":"https://bugs.debian.org/883602","label":"bugs.debian.org/883602","hostname":"bugs.debian.org","tags":["X Refsource CONFIRM","Issue Tracking","Mailing List","Third Party Advisory","REPORT"]},{"url":"https://www.debian.org/security/2017/dsa-4067","label":"www.debian.org/security/2017/dsa-4067","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2017/12/msg00016.html","label":"lists.debian.org/debian-lts-announce/2017/12/msg00016.html","hostname":"lists.debian.org","tags":["Mailing List","X Refsource MLIST"]},{"url":"https://advisories.mageia.org/MGASA-2018-0065.html","label":"advisories.mageia.org/MGASA-2018-0065.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=22209","label":"bugs.mageia.org/show_bug.cgi?id=22209","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://dl.openafs.org/dl/1.6.21/RELNOTES-1.6.21","label":"dl.openafs.org/dl/1.6.21/RELNOTES-1.6.21","hostname":"dl.openafs.org","tags":["WEB"]},{"url":"https://dl.openafs.org/dl/1.6.22/RELNOTES-1.6.22","label":"dl.openafs.org/dl/1.6.22/RELNOTES-1.6.22","hostname":"dl.openafs.org","tags":["WEB"]},{"url":"https://ubuntu.com/security/CVE-2017-17432","label":"ubuntu.com/security/CVE-2017-17432","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-17432","label":"www.cve.org/CVERecord?id=CVE-2017-17432","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-17432","label":"security-tracker.debian.org/tracker/CVE-2017-17432","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2017-12-06T00:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T20:51:31.363Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":32,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T04:51:12.140Z","stale":false,"partial":false}}