PT-2011-1110 · Libpng+1 · Libpng+1
Huzaifa S. Sidhpurwala
·
Published
2011-07-17
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Updated
2024-09-06
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CVE-2011-2692
CVSS v2.0
7.8
High
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
libpng versions prior to 1.0.55
libpng versions prior to 1.2.45
libpng versions prior to 1.4.8
libpng versions prior to 1.5.4
libpng versions prior to 1.5.10
Description
The issue is related to the handling of invalid sCAL chunks in PNG images, which can lead to a denial of service (memory corruption and application crash) or possibly have unspecified other impact via a crafted PNG image that triggers the reading of uninitialized memory. The
png handle sCAL function in pngrutil.c is specifically mentioned as not properly handling these chunks. Exploitation can be done remotely.Recommendations
For libpng versions prior to 1.0.55, update to version 1.0.55 or later.
For libpng versions prior to 1.2.45, update to version 1.2.45 or later.
For libpng versions prior to 1.4.8, update to version 1.4.8 or later.
For libpng versions prior to 1.5.4, update to version 1.5.4 or later.
For libpng versions prior to 1.5.10, update to version 1.5.10 or later.
Exploit
Fix
DoS
Buffer Overflow
Out of bounds Read
Memory Leak
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Related Identifiers
Affected Products
Red Hat
Libpng