National Cyber-Alert System
Vulnerability Summary for CVE-2008-3964
Original release date:09/11/2008
Last revised:08/19/2009
Source:
US-CERT/NIST
Overview
Multiple off-by-one errors in libpng before 1.2.32beta01, and 1.4 before 1.4.0beta34, allow context-dependent attackers to cause a denial of service (crash) or have unspecified other impact via a PNG image with crafted zTXt chunks, related to (1) the png_push_read_zTXt function in pngread.c, and possibly related to (2) pngtest.c.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
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:Allows disruption of serviceUnknown
- Official Statement from Red Hat (01/01/1900)
-
Not vulnerable. These issues did not affect the versions of libpng as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.
References to Advisories, Solutions, and Tools
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US-CERT Vulnerability Note: VU#889484
Name: VU#889484
External Source: CONFIRM
Name: http://sourceforge.net/project/shownotes.php?release_id=624518
Type: Patch Information
External Source: XF
Name: libpng-pngpushreadztxt-dos(44928)
External Source: VUPEN
Name: ADV-2009-1560
External Source: VUPEN
Name: ADV-2009-1462
External Source: BID
Name: 31049
External Source: MLIST
Name: [oss-security] 20080909 Re: CVE request (libpng)
External Source: MLIST
Name: [oss-security] 20080909 CVE request (libpng)
External Source: MANDRIVA
Name: MDVSA-2009:051
External Source: VUPEN
Name: ADV-2008-2512
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2009-208.htm
External Source: SUNALERT
Name: 259989
External Source: CONFIRM
Name: http://sourceforge.net/tracker/index.php?func=detail&aid=2095669&group_id=5624&atid=105624
External Source: CONFIRM
Name: http://sourceforge.net/project/shownotes.php?group_id=5624&release_id=624517
External Source: MLIST
Name: [png-mng-implement] 20080918 libpng-1.0.40 and libpng-1.2.32 available
External Source: GENTOO
Name: GLSA-200812-15
External Source: SECUNIA
Name: 35386
External Source: SECUNIA
Name: 35302
External Source: SECUNIA
Name: 33137
External Source: SECUNIA
Name: 31781