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X Org X11 CVE-2012-1699

LOW
Buffer Overflow (CWE-119)
2012-12-21 secalert_us@oracle.com
3.6
CVSS 2.0 · NVD

Severity by source

NVD PRIMARY
3.6 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

AV:L/AC:L/Au:N/C:P/I:N/A:P
Attack Vector
Local
Attack Complexity
Low
Confidentiality
P
Integrity
None
Availability
P

Lifecycle Timeline

1
CVE Published
Dec 21, 2012 - 05:46 cve.org
LOW 3.6

DescriptionCVE.org

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.

AnalysisAI

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. Rated low severity (CVSS 3.6), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. 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. Affected products include: X X.Org X11, Xfree86. Version information: before 3.3.3.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.

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CVE-2012-1699 vulnerability details – vuln.today

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