CVE Vulnerabilities

CVE-2015-6835

Published: May 16, 2016 | Modified: Nov 07, 2023
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
5.1 LOW
AV:N/AC:H/Au:N/C:P/I:P/A:P
RedHat/V3
Ubuntu
MEDIUM

The session deserializer in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 mishandles multiple php_var_unserialize calls, which allow remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via crafted session content.

Affected Software

Name Vendor Start Version End Version
Php Php 5.6.0-alpha1 (including) 5.6.0-alpha1 (including)
Php Php 5.6.0-alpha2 (including) 5.6.0-alpha2 (including)
Php Php 5.6.0-alpha3 (including) 5.6.0-alpha3 (including)
Php Php 5.6.0-alpha4 (including) 5.6.0-alpha4 (including)
Php Php 5.6.0-alpha5 (including) 5.6.0-alpha5 (including)
Php Php 5.6.0-beta1 (including) 5.6.0-beta1 (including)
Php Php 5.6.0-beta2 (including) 5.6.0-beta2 (including)
Php Php 5.6.0-beta3 (including) 5.6.0-beta3 (including)
Php Php 5.6.0-beta4 (including) 5.6.0-beta4 (including)
Php Php 5.6.1 (including) 5.6.1 (including)
Php Php 5.6.2 (including) 5.6.2 (including)
Php Php 5.6.3 (including) 5.6.3 (including)
Php Php 5.6.4 (including) 5.6.4 (including)
Php Php 5.6.5 (including) 5.6.5 (including)
Php Php 5.6.6 (including) 5.6.6 (including)
Php Php 5.6.7 (including) 5.6.7 (including)
Php Php 5.6.8 (including) 5.6.8 (including)
Php Php 5.6.9 (including) 5.6.9 (including)
Php Php 5.6.10 (including) 5.6.10 (including)
Php Php 5.6.11 (including) 5.6.11 (including)
Php Php 5.6.12 (including) 5.6.12 (including)
Red Hat Software Collections for Red Hat Enterprise Linux 6 RedHat rh-php56-php-0:5.6.5-8.el6 *
Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS RedHat rh-php56-php-0:5.6.5-8.el6 *
Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS RedHat rh-php56-php-0:5.6.5-8.el6 *
Red Hat Software Collections for Red Hat Enterprise Linux 7 RedHat rh-php56-php-0:5.6.5-8.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUS RedHat rh-php56-php-0:5.6.5-8.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUS RedHat rh-php56-php-0:5.6.5-8.el7 *
Php5 Ubuntu devel *
Php5 Ubuntu precise *
Php5 Ubuntu trusty *
Php5 Ubuntu upstream *
Php5 Ubuntu vivid *

References