National Cyber-Alert System
Vulnerability Summary for CVE-2009-0749
Original release date:03/02/2009
Last revised:07/07/2009
Source:
US-CERT/NIST
Overview
Use-after-free vulnerability in the GIFReadNextExtension function in lib/pngxtern/gif/gifread.c in OptiPNG 0.6.2 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a crafted GIF image that causes the realloc function to return a new pointer, which triggers memory corruption when the old pointer is accessed.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
10.0
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
References to Advisories, Solutions, and Tools
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External Source: VUPEN
Name: ADV-2009-0510
Type: Advisory; Patch Information
External Source: BID
Name: 33873
Type: Patch Information
External Source: CONFIRM
Name: http://optipng.sourceforge.net
Type: Advisory; Patch Information
External Source: XF
Name: optipng-gifreadnextextension-code-execution(48879)
External Source: MLIST
Name: [oss-security] 20090225 Re: CVE request: optipng security release
External Source: MLIST
Name: [oss-security] 20090224 CVE request: optipng security release
External Source: GENTOO
Name: GLSA-200903-12
External Source: CONFIRM
Name: http://sourceforge.net/tracker/index.php?func=detail&aid=2582013&group_id=151404&atid=780913
External Source: SECUNIA
Name: 35685
External Source: SECUNIA
Name: 34259
External Source: SECUNIA
Name: 34201
External Source: SECUNIA
Name: 34035
Type: Advisory
External Source: SUSE
Name: SUSE-SR:2009:012
External Source: SUSE
Name: SUSE-SR:2009:006