Vulnerability CVE-2014-8142


Published: 2014-12-20

Description:
Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.36, 5.5.x before 5.5.20, and 5.6.x before 5.6.4 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages improper handling of duplicate keys within the serialized properties of an object, a different vulnerability than CVE-2004-1019.

See advisories in our WLB2 database:
Topic
Author
Date
High
PHP 5.6.3 unserialize() execute arbitrary code
Stefan Esser
22.12.2014
High
eFront 3.6.15 PHP Object Injection
Filippo Roncari
09.05.2015
High
Kerio Control Unified Threat Management Code Execution / XSS / Memory Corruption
R. Freingruber
24.09.2016

Type:

CWE-79

(Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
PHP -> PHP 

 References:
http://git.php.net/?p=php-src.git;a=commit;h=630f9c33c23639de85c3fd306b209b538b73b4c9
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00029.html
http://lists.opensuse.org/opensuse-updates/2015-02/msg00079.html
http://marc.info/?l=bugtraq&m=143403519711434&w=2
http://marc.info/?l=bugtraq&m=143748090628601&w=2
http://marc.info/?l=bugtraq&m=144050155601375&w=2
http://php.net/ChangeLog-5.php
http://rhn.redhat.com/errata/RHSA-2015-1053.html
http://rhn.redhat.com/errata/RHSA-2015-1066.html
http://rhn.redhat.com/errata/RHSA-2015-1135.html
http://www.debian.org/security/2014/dsa-3117
http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.securityfocus.com/bid/71791
https://bugs.php.net/bug.php?id=68594
https://bugzilla.redhat.com/show_bug.cgi?id=1175718
https://security.gentoo.org/glsa/201503-03

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