National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-6835 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Evaluator Description

CWE-416: Use After Free

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 9.8 CRITICAL
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://php.net/ChangeLog-5.php
http://www.debian.org/security/2015/dsa-3358
http://www.securityfocus.com/bid/76734
http://www.securitytracker.com/id/1033548
https://bugs.php.net/bug.php?id=70219 Exploit
https://security.gentoo.org/glsa/201606-10

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-Other Other NIST  

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/a:php:php:5.6.0:alpha1
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.0:alpha2
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.0:alpha3
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.0:alpha4
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.0:alpha5
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.0:beta1
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.0:beta2
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.0:beta3
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.0:beta4
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.1
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.2
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.3
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.4
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.5
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.6
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.7
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.8
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.9
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.10
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.11
     Show Matching CPE(s)
 cpe:/a:php:php:5.6.12
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:/a:php:php
     Show Matching CPE(s)
Up to (including)
5.4.44

Configuration 3 ( hide )
 cpe:/a:php:php:5.5.0
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.0:alpha1
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.0:alpha2
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.0:alpha3
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.0:alpha4
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.0:alpha5
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.0:alpha6
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.0:beta1
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.0:beta2
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.0:beta3
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.0:beta4
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.0:rc1
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.0:rc2
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.1
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.2
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.3
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.4
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.5
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.6
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.7
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.8
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.9
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.10
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.11
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.12
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.13
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.14
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.15
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.16
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.17
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.18
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.19
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.20
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.21
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.22
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.23
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.24
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.25
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.26
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.27
     Show Matching CPE(s)
 cpe:/a:php:php:5.5.28
     Show Matching CPE(s)


Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-6835
NVD Published Date:
05/16/2016
NVD Last Modified:
11/03/2017