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ubuntucveUbuntu.comUB:CVE-2012-2118
HistoryMay 18, 2012 - 12:00 a.m.

CVE-2012-2118

2012-05-1800:00:00
ubuntu.com
ubuntu.com
8

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

0.02 Low

EPSS

Percentile

88.6%

Format string vulnerability in the LogVHdrMessageVerb function in os/log.c
in X.Org X11 1.11 allows attackers to cause a denial of service or possibly
execute arbitrary code via format string specifiers in an input device
name.

Bugs

Notes

Author Note
jdstrand Reducing priority because we build with -D_FORTIFY_SOURCE=2 and as of USN-1396-1, Ubuntu’s glibc is patched to fix (CVE-2012-0864), so this is reduced to a denial of service. per upstream, only 1.10 and higher are affected: http://lists.x.org/pipermail/xorg-devel/2012-May/031411.html
sbeattie with experimentation, was not able to cause the 1.10 server to crash in natty and oneiric, marking those not-affected
OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarchxorg-server< 2:1.11.4-0ubuntu10.5UNKNOWN

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

0.02 Low

EPSS

Percentile

88.6%