Vulnerability CVE-2011-0421


Published: 2011-03-19   Modified: 2012-02-13

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.

See advisories in our WLB2 database:
Topic
Author
Date
Low
libzip 0.9.3 _zip_name_locate NULL Pointer Dereference (incl PHP 5.3.5)
Maksymilian Arci...
18.03.2011

Type:

CWE-Other

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
PHP -> PHP 

 References:
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://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

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