vulnwire
9.8crit

CVE-2017-12176

xorg-x11-server before 1.19.5 was missing extra length validation in ProcEstablishConnection function allowing malicious X client to cause…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
4.2%
percentile 91%
Public exploits
0
none known

xorg-x11-server before 1.19.5 was missing extra length validation in ProcEstablishConnection function allowing malicious X client to cause X server to crash or possibly execute arbitrary code.

Exploit prediction (EPSS)

4.17% probability of exploitation in the next 30 days, higher than 91% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • The X.Org Foundation xorg-x11-server

Classification

Weakness
  • CWE-391 DEPRECATED: Unchecked Error Condition
  • CWE-20 Improper Input Validation

References

  • debian.org /security/2017/dsa-4000 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1509214 · x_refsource_CONFIRM, x_transferred
  • lists.debian.org /debian-lts-announce/2017/11/msg00032.html · mailing-list, x_refsource_MLIST, x_transferred
  • security.gentoo.org /glsa/201711-05 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • cgit.freedesktop.org /xorg/xserver/commit/?id=b747da5e25be944337a9cd1415506fc06b70aa81 · x_refsource_CONFIRM, 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.