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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.23% Top 25%
Vendor Advisory debian.org Vendor Advisory openafs.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.openafs.org/pages/security/OPENAFS-SA-2017-001.txt vendor advisory
https://bugs.debian.org/883602 issue tracking mailing list third party advisory
https://www.debian.org/security/2017/dsa-4067 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00016.html mailing list

Frequently Asked Questions

What is the severity of CVE-2017-17432?
CVE-2017-17432 has been scored as a high severity vulnerability.
How to fix CVE-2017-17432?
To fix CVE-2017-17432, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-17432 being actively exploited in the wild?
It is possible that CVE-2017-17432 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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