Vulnerability CVE-2010-4694
Published: 2011-01-14   Modified: 2012-02-13

Description:
Buffer overflow in gif2png.c in gif2png 2.5.3 and earlier might allow context-dependent attackers to cause a denial of service (application crash) or have unspecified other impact via a GIF file that contains many images, leading to long extensions such as .p100 for PNG output files, as demonstrated by a CGI program that launches gif2png, a different vulnerability than CVE-2009-5018.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
CATB -> Gif2png 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=547515
http://openwall.com/lists/oss-security/2010/11/22/1
http://openwall.com/lists/oss-security/2010/11/21/1
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051229.html
http://cvs.fedoraproject.org/viewvc/rpms/gif2png/devel/gif2png-overflow.patch?root=extras&view=log
http://cvs.fedoraproject.org/viewvc/rpms/gif2png/devel/gif2png-overflow.patch?revision=HEAD&root=extras&view=markup
http://bugs.gentoo.org/show_bug.cgi?id=346501
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550978
http://xforce.iss.net/xforce/xfdb/64754
http://www.vupen.com/english/advisories/2011/0107
http://www.vupen.com/english/advisories/2011/0023
http://www.vupen.com/english/advisories/2010/3036
http://www.securityfocus.com/bid/45815
http://www.mandriva.com/security/advisories?name=MDVSA-2011:009
http://security.gentoo.org/glsa/glsa-201203-15.xml
http://security.gentoo.org/glsa/glsa-201101-01.xml
http://secunia.com/advisories/42796
http://openwall.com/lists/oss-security/2010/11/22/3
http://openwall.com/lists/oss-security/2010/11/22/12
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