Home/CVE/The ProcSetEventMask function in difs/events.c in the xfs font server for X.Org X11R6 through X11R6.6 and XFree86 before
CVE

CVE-2012-1699

The ProcSetEventMask function in difs/events.c in the xfs font server for X.Org X11R6 through X11R6.6 and XFree86 before

The ProcSetEventMask function in difs/events.c in the xfs font server for X.Org X11R6 through X11R6.6 and XFree86 before 3.3.3 calls the SendErrToClient function with a mask value instead of a pointer, which allows local users to cause a denial of service (memory corruption and crash) or obtain potentially sensitive information from memory via a SetEventMask request that triggers an invalid pointer dereference.

LOW · CVSS 3.6 EPSS 0.00075
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

2
x x.org x11all versions
xfree86<= 3.3.2
▣

Scoring & Timeline

3.6
LOW · CVSS v2 (legacy) · secalert_us@oracle.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:L/AC:L/Au:N/C:P/I:N/A:P
Published to NVD21 Dec 2012 · 05:46 AM
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://invisible-island.net/ansification/ansify-xfs-cve.html
http://lists.freedesktop.org/archives/xorg-announce/2012-July/002040.html
http://marc.info/?l=bugtraq&m=135765511704334&w=2
http://twitter.com/bsdaemon/status/228958599790071809
https://blogs.oracle.com/sunsecurity/entry/cve_2012_1699_denial_of
https://bugzilla.redhat.com/show_bug.cgi?id=842841
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