Vulnerability Details : CVE-2011-0421
Potential exploit
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2011-0421
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:2.0b10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.16:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.17:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.18:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.15:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta_4_patch1:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.11:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.12:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.4:*:windows:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.16:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.13:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.11:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.14:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.17:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.15:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.4:*:*:*:*:*:*:*
Threat overview for CVE-2011-0421
Top countries where our scanners detected CVE-2011-0421
Top open port discovered on systems with this issue
80
IPs affected by CVE-2011-0421 205,516
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2011-0421!
*Directly or indirectly through your vendors, service providers and 3rd parties.
Powered by
attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2011-0421
2.55%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-0421
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
References for CVE-2011-0421
-
http://www.securityfocus.com/archive/1/517065/100/0/threaded
SecurityFocus
-
http://marc.info/?l=bugtraq&m=133469208622507&w=2
'[security bulletin] HPSBOV02763 SSRT100826 rev.1 - HP Secure Web Server (SWS) for OpenVMS running PH' - MARC
-
http://www.vupen.com/english/advisories/2011/0890
Webmail | OVH- OVHVendor Advisory
-
http://www.php.net/archive/2011.php
PHP: News Archive - 2011
-
http://www.vupen.com/english/advisories/2011/0744
Webmail | OVH- OVHVendor Advisory
-
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057710.html
[SECURITY] Fedora 13 Update: php-eaccelerator-0.9.6.1-6.fc13
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/66173
libzip _zip_name_locate() denial of service CVE-2011-0421 Vulnerability Report
-
http://www.php.net/releases/5_3_6.php
PHP: PHP 5.3.6 Release Announcement
-
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057709.html
[SECURITY] Fedora 14 Update: maniadrive-1.2-27.fc14
-
http://www.securityfocus.com/bid/46354
libzip '_zip_name_locate()' NULL Pointer Dereference Denial Of Service Vulnerability
-
http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html
[security-announce] SUSE Security Summary Report: SUSE-SR:2011:009
-
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
Apple - Lists.apple.com
-
http://www.mandriva.com/security/advisories?name=MDVSA-2011:052
mandriva.com
-
http://securityreason.com/achievement_securityalert/96
libzip 0.9.3 _zip_name_locate NULL Pointer Dereference (incl PHP 5.3.5) - CXSecurity.com
-
http://bugs.php.net/bug.php?id=53885
PHP :: Bug #53885 :: ZipArchive segfault with FL_UNCHANGED on empty archiveExploit
-
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056642.html
[SECURITY] Fedora 15 Update: maniadrive-1.2-29.fc15
-
http://www.mandriva.com/security/advisories?name=MDVSA-2011:099
mandriva.com
-
http://svn.php.net/viewvc/?view=revision&revision=307867
PHP: Revision 307867Patch
-
http://www.mandriva.com/security/advisories?name=MDVSA-2011:053
mandriva.com
-
http://www.vupen.com/english/advisories/2011/0764
Webmail | OVH- OVHVendor Advisory
-
http://www.exploit-db.com/exploits/17004
PHP 5.3.5 libzip 0.9.3 - _zip_name_locate Null Pointer Dereference - Linux dos ExploitExploit
-
http://securityreason.com/securityalert/8146
libzip 0.9.3 _zip_name_locate NULL Pointer Dereference (incl PHP 5.3.5) - CXSecurity.com
-
http://www.debian.org/security/2011/dsa-2266
Debian -- Security Information -- DSA-2266-1 php5
-
http://www.php.net/ChangeLog-5.php
PHP: PHP 5 ChangeLog
-
https://bugzilla.redhat.com/show_bug.cgi?id=688735
688735 – (CVE-2011-0421) CVE-2011-0421 php/libzip: segfault with FL_UNCHANGED on empty archive in zip_name_locate()Exploit;Patch
-
http://support.apple.com/kb/HT5002
About the security content of OS X Lion v10.7.2 and Security Update 2011-006 - Apple Support
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