National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-8866 Detail

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.

Source:  MITRE      Last Modified:  05/21/2016

Quick Info

CVE Dictionary Entry:
CVE-2015-8866
Original release date:
05/21/2016
Last revised:
01/04/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
9.6 Critical
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H (legend)
Impact Score:
6.0
Exploitability Score:
2.8
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Changed
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
6.8 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore:
6.4
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector:
Network exploitable - Victim must voluntarily interact with attack mechanism
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://git.php.net/?p=php-src.git;a=commit;h=de31324c221c1791b26350ba106cc26bad23ace9 External Source CONFIRM http://git.php.net/?p=php-src.git;a=commit;h=de31324c221c1791b26350ba106cc26bad23ace9
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html External Source SUSE openSUSE-SU-2016:1274
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html External Source SUSE SUSE-SU-2016:1277
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html External Source SUSE openSUSE-SU-2016:1373
http://rhn.redhat.com/errata/RHSA-2016-2750.html External Source REDHAT RHSA-2016:2750
http://www.openwall.com/lists/oss-security/2016/04/24/1 External Source MLIST [oss-security] 20160423 Re: CVE request: PHP issues fixed in 7.0.5, 5.6.20 and 5.5.34 releases
http://www.php.net/ChangeLog-5.php External Source CONFIRM http://www.php.net/ChangeLog-5.php
http://www.securityfocus.com/bid/87470 External Source BID 87470
http://www.ubuntu.com/usn/USN-2952-1 External Source UBUNTU USN-2952-1
http://www.ubuntu.com/usn/USN-2952-2 External Source UBUNTU USN-2952-2
https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1509817 External Source CONFIRM https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1509817
https://bugs.php.net/bug.php?id=64938 Vendor Advisory External Source CONFIRM https://bugs.php.net/bug.php?id=64938

Technical Details

Vulnerability Type (View All)

Change History 5 change records found - show changes