Vulnerability CVE-2014-8142

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

Vulnerability CVE-2014-8142

See advisories in our WLB2 database:

High

PHP 5.6.3 unserialize() execute arbitrary code

High

eFront 3.6.15 PHP Object Injection

High

Kerio Control Unified Threat Management Code Execution / XSS / Memory Corruption

CWE-79

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

7.5/10

6.4/10

10/10

Remote

Low

No required

Partial

Partial

Partial

Affected software

References: