PT-2015-3236 · Php+2 · Php+2

Taoguangchen

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Published

2015-09-09

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Updated

2017-11-04

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CVE-2015-6835

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions PHP versions prior to 5.4.45 PHP versions 5.5.x prior to 5.5.29 PHP versions 5.6.x prior to 5.6.13
Description The issue is related to the session deserializer in PHP, which mishandles multiple php var unserialize calls. This allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via crafted session content.
Recommendations For PHP versions prior to 5.4.45, update to version 5.4.45 or later. For PHP versions 5.5.x prior to 5.5.29, update to version 5.5.29 or later. For PHP versions 5.6.x prior to 5.6.13, update to version 5.6.13 or later.

Exploit

Fix

Use After Free

Found an issue in the description? Have something to add? Feel free to write us 👾
dbugs@ptsecurity.com

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2016-01358
CVE-2015-6835
DSA-3358-1
MGASA-2015-0365
OPENSUSE-SU-2015_1628-1
RHSA-2016:0457
SUSE-SU-2015:1633-1
SUSE-SU-2015_1633-1
USN-2758-1

Affected Products

Php
Suse
Ubuntu