National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-6838 Detail

Current Description

The xsl_ext_function_php function in ext/xsl/xsltprocessor.c in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13, when libxml2 before 2.9.2 is used, does not consider the possibility of a NULL valuePop return value before proceeding with a free operation after the principal argument loop, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted XML document, a different vulnerability than CVE-2015-6837.

Source:  MITRE
View Analysis Description

Evaluator Description

CWE-476: NULL Pointer Dereference

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.5 HIGH
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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/76733
http://www.securitytracker.com/id/1033548
https://bugs.php.net/bug.php?id=69782 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 2.2

Configuration 1 ( hide )
AND
OR
 cpe:2.3:a:php:php:5.6.0:alpha1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.0:alpha2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.0:alpha3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.0:beta1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.0:beta2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.0:beta3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.0:beta4:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.11:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.12:*:*:*:*:*:*:*
     Show Matching CPE(s)
OR
 cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.9.1

Configuration 2 ( hide )
AND
OR
 cpe:2.3:a:php:php:5.5.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.0:alpha1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.0:alpha2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.0:alpha3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.0:alpha4:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.0:alpha5:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.0:alpha6:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.0:beta1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.0:beta2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.0:beta3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.0:beta4:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.0:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.0:rc2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.11:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.12:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.13:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.14:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.15:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.16:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.17:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.18:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.19:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.20:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.21:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.22:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.23:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.24:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.25:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.26:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.27:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.5.28:*:*:*:*:*:*:*
     Show Matching CPE(s)
OR
 cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.9.1

Configuration 3 ( hide )
AND
OR
 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
5.4.44
OR
 cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.9.1


Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-6838
NVD Published Date:
05/16/2016
NVD Last Modified:
11/03/2017