Vulnerability CVE-2012-1163
Published: 2012-07-12   Modified: 2012-07-17

Description:
Integer overflow in the _zip_readcdir function in zip_open.c in libzip 0.10 allows remote attackers to execute arbitrary code via the size and offset values for the central directory in a zip archive, which triggers "improper restrictions of operations within the bounds of a memory buffer" and an information leak.

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
NIH -> Libzip 

 References:
http://www.openwall.com/lists/oss-security/2012/03/29/11
http://www.openwall.com/lists/oss-security/2012/03/21/2
http://www.nih.at/libzip/NEWS.html
http://www.mandriva.com/security/advisories?name=MDVSA-2012:034
http://www.gentoo.org/security/en/glsa/glsa-201203-23.xml
http://nih.at/listarchive/libzip-discuss/msg00252.html
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