7.5high

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 cra…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.1%
percentile 88%
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.

Exploit prediction (EPSS)

3.05% probability of exploitation in the next 30 days, higher than 88% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.07.8AV:N/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness

References

  • openafs.org /pages/security/OPENAFS-SA-2017-001.txt · x_refsource_CONFIRM, x_transferred
  • bugs.debian.org /883602 · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2017/dsa-4067 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • lists.debian.org /debian-lts-announce/2017/12/msg00016.html · mailing-list, x_refsource_MLIST, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.