CVE-2015-6831 Information

Description

Multiple use-after-free vulnerabilities in SPL in PHP before 5.4.44 5.5.x before 5.5.28 and 5.6.x before 5.6.12 allow remote attackers to execute arbitrary code via vectors involving (1) ArrayObject (2) SplObjectStorage and (3) SplDoublyLinkedList which are mishandled during unserialization.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Reference

http://www.debian.org/security/2015/dsa-3344 http://www.openwall.com/lists/oss-security/2015/08/19/3 http://www.php.net/ChangeLog-5.php http://www.securityfocus.com/bid/76737 https://bugs.php.net/bug.php?id=70155 https://bugs.php.net/bug.php?id=70166 https://bugs.php.net/bug.php?id=70168 https://bugs.php.net/bug.php?id=70169 https://security.gentoo.org/glsa/201606-10

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

LOW

Base Severity

7.3