CVE-2011-0421 Information

Description

The _zip_name_locate function in zip_name_locate.c in the Zip extension in PHP before 5.3.6 does not properly handle a ZIPARCHIVE::FL_UNCHANGED argument which might allow context-dependent attackers to cause a denial of service (NULL pointer dereference) via an empty ZIP archive that is processed with a (1) locateName or (2) statName operation.

Reference

http://bugs.php.net/bug.php?id=53885 http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057709.html http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057710.html http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056642.html http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html http://marc.info/?l=bugtraq&m=133469208622507&w=2 http://secunia.com/advisories/43621 http://securityreason.com/achievement_securityalert/96 http://securityreason.com/securityalert/8146 http://support.apple.com/kb/HT5002 http://svn.php.net/viewvc/?view=revision&revision=307867 http://www.debian.org/security/2011/dsa-2266 http://www.exploit-db.com/exploits/17004 http://www.mandriva.com/security/advisories?name=MDVSA-2011:052 http://www.mandriva.com/security/advisories?name=MDVSA-2011:053 http://www.mandriva.com/security/advisories?name=MDVSA-2011:099 http://www.php.net/archive/2011.php http://www.php.net/ChangeLog-5.php http://www.php.net/releases/5_3_6.php http://www.securityfocus.com/archive/1/517065/100/0/threaded http://www.securityfocus.com/bid/46354 http://www.vupen.com/english/advisories/2011/0744 http://www.vupen.com/english/advisories/2011/0764 http://www.vupen.com/english/advisories/2011/0890 https://bugzilla.redhat.com/show_bug.cgi?id=688735 https://exchange.xforce.ibmcloud.com/vulnerabilities/66173