CVE-2015-6831

high

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.

References

https://bugs.php.net/bug.php?id=70168

https://bugs.php.net/bug.php?id=70155

http://www.php.net/ChangeLog-5.php

https://bugs.php.net/bug.php?id=70166

https://bugs.php.net/bug.php?id=70169

http://www.openwall.com/lists/oss-security/2015/08/19/3

http://www.securityfocus.com/bid/76737

https://security.gentoo.org/glsa/201606-10

http://www.debian.org/security/2015/dsa-3344

Details

Source: MITRE

Published: 2016-01-19

Updated: 2022-08-05

Type: CWE-416

Risk Information

CVSS v2

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 7.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Impact Score: 3.4

Exploitability Score: 3.9

Severity: HIGH