CVE-2012-1163

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-07-12 · updated 2026-06-16
Weakness: CWE-189

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.

Affected products

NIH Libzip: 0.10

References

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

Get alerted when CVE-2012-1163 or the next vulnerability affects your stack