CVE-2017-17432
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.05% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-617
- Affected
- openafs/openafs · debian/debian linux
- Source
- cve@mitre.org
EPSS 3.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://bugs.debian.org/883602Issue Tracking, Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00016.html
- https://www.debian.org/security/2017/dsa-4067Third Party Advisory
- https://www.openafs.org/pages/security/OPENAFS-SA-2017-001.txtVendor Advisory
- https://bugs.debian.org/883602Issue Tracking, Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00016.html
- https://www.debian.org/security/2017/dsa-4067Third Party Advisory
- https://www.openafs.org/pages/security/OPENAFS-SA-2017-001.txtVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.