Input validation error in PHP - CVE-2011-0421
Published: March 20, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU45192
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2011-0421
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows context-dependent attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference) via an empty ZIP archive that is processed with a (1) locateName or (2) statName operation.
Affected software
PHP
Gentoo Linux
Slackware Linux
libpng
dev-lang/php
Gentoo Linux
Slackware Linux
libpng
dev-lang/php
How to mitigate CVE-2011-0421
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
libpng - addressed in versions 1.2.46, 1.4.8
dev-lang/php - update to 5.3.8
dev-lang/php - update to 5.3.8
Links to Public Exploits and PoC-codes
External 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://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