CVE-2011-2692

CVE Details

Release Date:	2011-07-17
Impact:	Moderate	What is this?

Description

The png_handle_sCAL function in pngrutil.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 does not properly handle invalid sCAL chunks, which allows remote attackers to cause 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.

See more information about CVE-2011-2692 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	4.3
Vector String:	AV:N/AC:M/Au:N/C:N/I:N/A:P
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Medium
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle Enterprise Linux version 4 (libpng)	ELSA-2011-1103	2011-07-28
Oracle Enterprise Linux version 4 (libpng10)	ELSA-2011-1103	2011-07-28
Oracle Linux version 5 (libpng)	ELSA-2011-1104	2011-08-01
Oracle Linux version 6 (libpng)	ELSA-2011-1105	2011-07-28