Vulnerability in Openafs
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 small MTU value.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.031 (87.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000
Affected products
- Openafs
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- www.openafs.org/pages/security/OPENAFS-SA-2017-001.txt (Vendor Advisory)
- bugs.debian.org/883602 (Mailing List, Third Party Advisory, Issue Tracking)
- www.debian.org/security/2017/dsa-4067 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2017/12/msg00016.html (mailing-list)
Frequently asked questions
- What is CVE-2017-17432?
- CVE-2017-17432 is a high-severity vulnerability in Openafs, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2017-12-06.
- How severe is CVE-2017-17432?
- High severity. CVSS v3 base score is 7.5 out of 10.