CVE-2015-6832

HIGH

Description

Use-after-free vulnerability in the SPL unserialize implementation in ext/spl/spl_array.c in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allows remote attackers to execute arbitrary code via crafted serialized data that triggers misuse of an array field.

References

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

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

https://bugs.php.net/bug.php?id=70068

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

Details

Source: MITRE

Published: 2016-01-19

Updated: 2017-11-04

Risk Information

CVSS v2.0

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 v3.0

Base Score: 7.3

Vector: CVSS:3.0/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