PT-2015-3234 · Gnome+3 · Libxml2+3

Moltesalt · Published 2015-09-09 · Updated 2017-11-04 · CVE-2015-6838

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 xsl ext function php function in PHP, which, when used with libxml2 before 2.9.2, can lead to a denial of service due to a NULL pointer dereference and application crash. This can be triggered by a remote attacker using a crafted XML document.

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

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2016-01356

CVE-2015-6838

DLA-341-1

DSA-3358-1

MGASA-2015-0365

OPENSUSE-SU-2015_1628-1

RHSA-2016:0457

SUSE-SU-2015:1633-1

SUSE-SU-2015:1701-1

SUSE-SU-2015:1818-1

SUSE-SU-2016:1638-1

USN-2758-1

Affected Products

Php

Suse

Ubuntu

Libxml2

References · 250

• 🔥 https://github.com/ockeghem/CVE-2015-6835-checker · Exploit
• 🔥 https://bugs.php.net/bug.php?id=69782 · Exploit
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5589 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6837 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6835 · Security Note
• https://ubuntu.com/security/CVE-2015-5589 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-6837 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2015-0365.html · Security Note
• http://debian.org/security/2015/dsa-3358 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6831 · Security Note
• https://ubuntu.com/security/CVE-2015-5590 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-6831 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6832 · Security Note
• https://bdu.fstec.ru/vul/2016-01360 · Security Note
• https://ubuntu.com/security/notices/USN-2758-1 · Vendor Advisory