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libpng pngwutil.c NULL pointer Vulnerability
Information
Severity
Severity
Medium
Family
Family
General
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:P/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
15 years ago
Modified
Modified
4 years ago
Summary
The host has libpng installed and is prone to memory overwrite vulnerability.
Insight
Insight
Attackers can set the value of arbitrary memory location to zero via vectors involving creation of crafted PNG files with keywords, related to an implicit cast of the '\0' character constant to a NULL pointer.
Affected Software
Affected Software
libpng 1.0.41 and prior and 1.2.x to 1.2.33 on Linux.
Solution
Solution
Upgrade to libpng 1.0.42 or 1.2.34.