CVE-2015-8866 Information

Description

ext/libxml/libxml.c in PHP before 5.5.22 and 5.6.x before 5.6.6 when PHP-FPM is used does not isolate each thread from libxml_disable_entity_loader changes in other threads which allows remote attackers to conduct XML External Entity (XXE) and XML Entity Expansion (XEE) attacks via a crafted XML document a related issue to CVE-2015-5161.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Reference

http://git.php.net/?p=php-src.git;a=commit;h=de31324c221c1791b26350ba106cc26bad23ace9 http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html http://rhn.redhat.com/errata/RHSA-2016-2750.html http://www.openwall.com/lists/oss-security/2016/04/24/1 http://www.php.net/ChangeLog-5.php http://www.securityfocus.com/bid/87470 http://www.ubuntu.com/usn/USN-2952-1 http://www.ubuntu.com/usn/USN-2952-2 https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1509817 https://bugs.php.net/bug.php?id=64938

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.6