CVE-2017-17432 json
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 cra…
published 2017-12-06 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-8596
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.1%
- EPSS 3.1% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- openafs openafs 1.6.22
- openafs Debian 13, Debian 12 1.6.22-1
debian advisories DEBIAN-CVE-2017-17432
Exploit prediction
3.05% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-617 Reachable Assertion
References
-
debian.org
/security/2017/dsa-4067
vendor-advisory, third-party-advisory
-
openafs.org
/pages/security/OPENAFS-SA-2017-001.txt
vendor-advisory
-
bugs.debian.org
/883602
issue-tracking, mailing-list, third-party-advisory
-
lists.debian.org
/debian-lts-announce/2017/12/msg00016.html
mailing-list
Sources
- CVE List CVE-2017-17432
- NVD CVE-2017-17432
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.