Multiple integer overflows in the (1) FontFileAddEntry and (2) lexAlias functions in X.Org libXfont before 1.4.8 and 1.4.9x before 1.4.99.901 might allow local users to gain privileges by adding a directory with a large fonts.dir or fonts.alias file to the font path, which triggers a heap-based buffer overflow, related to metadata.
Vector
LOCAL
Complexity
LOW
Authentication
NONE
Confidentiality
PARTIAL
Integrity
PARTIAL
Availability
PARTIAL
X.Org LibXFont 1.4.99
X.Org LibXFont 1.4.7
X.Org LibXFont 1.4.6
X.Org LibXFont 1.4.5
X.Org LibXFont 1.4.4
X.Org LibXFont 1.4.3
X.Org LibXFont 1.4.2
X.Org LibXFont 1.4.1
X.Org LibXFont 1.4.0
X.Org LibXFont 1.3.4
X.Org LibXFont 1.3.3
X.Org LibXFont 1.3.2
X.Org LibXFont 1.3.1
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X.Org LibXFont 1.2.9
X.Org LibXFont 1.2.8
X.Org LibXFont 1.2.7
X.Org LibXFont 1.2.6
X.Org LibXFont 1.2.5
X.Org LibXFont 1.2.4
X.Org LibXFont 1.2.3