9.6
CRITICAL
CVE-2015-8866
PHP libxml XXE and XEE Vulnerability
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.

INFO

Published Date :

May 22, 2016, 1:59 a.m.

Last Modified :

Nov. 7, 2023, 2:28 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

6.0

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2015-8866 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Opensuse leap
2 Opensuse opensuse
1 Suse linux_enterprise_software_development_kit
2 Suse linux_enterprise_module_for_web_scripting
1 Canonical ubuntu_linux
1 Php php
: Total Affected Vendor : 4 | Products : 6
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2015-8866.

URL Resource
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=de31324c221c1791b26350ba106cc26bad23ace9
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html Mailing List Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2750.html Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/04/24/1 Mailing List Patch Third Party Advisory
http://www.php.net/ChangeLog-5.php Release Notes Vendor Advisory
http://www.securityfocus.com/bid/87470 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2952-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2952-2 Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1509817 Issue Tracking Patch Third Party Advisory
https://bugs.php.net/bug.php?id=64938 Exploit Issue Tracking Patch Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2015-8866 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-8866 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=de31324c221c1791b26350ba106cc26bad23ace9 [No types assigned]
    Removed Reference MITRE http://git.php.net/?p=php-src.git;a=commit;h=de31324c221c1791b26350ba106cc26bad23ace9
  • Reanalysis by [email protected]

    Jul. 20, 2022

    Action Type Old Value New Value
    Removed Evaluator Description <a href="http://cwe.mitre.org/data/definitions/611.html" rel="nofollow">CWE-611: Improper Restriction of XML External Entity Reference ('XXE')</a>
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
    Changed Reference Type http://git.php.net/?p=php-src.git;a=commit;h=de31324c221c1791b26350ba106cc26bad23ace9 Vendor Advisory http://git.php.net/?p=php-src.git;a=commit;h=de31324c221c1791b26350ba106cc26bad23ace9 Broken Link, Vendor Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/04/24/1 Mailing List, Third Party Advisory http://www.openwall.com/lists/oss-security/2016/04/24/1 Mailing List, Patch, Third Party Advisory
    Changed Reference Type http://www.php.net/ChangeLog-5.php Vendor Advisory http://www.php.net/ChangeLog-5.php Release Notes, Vendor Advisory
    Changed Reference Type https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1509817 Third Party Advisory https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1509817 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://bugs.php.net/bug.php?id=64938 Vendor Advisory https://bugs.php.net/bug.php?id=64938 Exploit, Issue Tracking, Patch, Vendor Advisory
    Removed CWE NIST NVD-CWE-Other
    Added CWE NIST CWE-611
    Changed CPE Configuration OR *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 5.5.0 up to (excluding) 5.5.22 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 5.6.0 up to (excluding) 5.6.6 OR *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 5.5.0 up to (excluding) 5.5.22 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 5.6.0 up to (excluding) 5.6.6 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.0.0 up to (excluding) 7.0.27 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.1.0 up to (excluding) 7.1.13 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.2.0 up to (excluding) 7.2.1
    Changed CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* *cpe:2.3:o:suse:linux_enterprise_module_for_web_scripting:12:*:*:*:*:*:*:* *cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:-:*:*:*:*:*:* *cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:sp1:*:*:*:*:*:*
  • Modified Analysis by [email protected]

    Feb. 14, 2019

    Action Type Old Value New Value
    Changed Evaluator Description <a href="http://cwe.mitre.org/data/definitions/611.html">CWE-611: Improper Restriction of XML External Entity Reference ('XXE')</a> <a href="http://cwe.mitre.org/data/definitions/611.html" rel="nofollow">CWE-611: Improper Restriction of XML External Entity Reference ('XXE')</a>
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html Mailing List, Third Party Advisory
    Changed Reference Type https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1509817 No Types Assigned https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1509817 Third Party Advisory
    Changed Reference Type http://git.php.net/?p=php-src.git;a=commit;h=de31324c221c1791b26350ba106cc26bad23ace9 No Types Assigned http://git.php.net/?p=php-src.git;a=commit;h=de31324c221c1791b26350ba106cc26bad23ace9 Vendor Advisory
    Changed Reference Type http://rhn.redhat.com/errata/RHSA-2016-2750.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2016-2750.html Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/87470 No Types Assigned http://www.securityfocus.com/bid/87470 Third Party Advisory, VDB Entry
    Changed Reference Type http://www.php.net/ChangeLog-5.php No Types Assigned http://www.php.net/ChangeLog-5.php Vendor Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html Mailing List, Third Party Advisory
    Changed Reference Type http://www.ubuntu.com/usn/USN-2952-2 No Types Assigned http://www.ubuntu.com/usn/USN-2952-2 Third Party Advisory
    Changed Reference Type http://www.ubuntu.com/usn/USN-2952-1 No Types Assigned http://www.ubuntu.com/usn/USN-2952-1 Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html Mailing List, Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/04/24/1 No Types Assigned http://www.openwall.com/lists/oss-security/2016/04/24/1 Mailing List, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions up to (including) 5.5.21 *cpe:2.3:a:php:php:5.6.0:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:alpha1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:alpha2:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:alpha3:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:beta1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:beta2:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:beta3:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:beta4:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:* *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions up to (including) 5.6.5 OR *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 5.5.0 up to (excluding) 5.5.22 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 5.6.0 up to (excluding) 5.6.6
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jan. 05, 2018

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2016-2750.html [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 01, 2016

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html [No Types Assigned]
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html [No Types Assigned]
    Added Reference http://www.ubuntu.com/usn/USN-2952-1 [No Types Assigned]
    Added Reference http://www.ubuntu.com/usn/USN-2952-2 [No Types Assigned]
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/87470 [No Types Assigned]
  • Modified Analysis by [email protected]

    May. 24, 2016

    Action Type Old Value New Value
    Added Evaluator Description <a href="http://cwe.mitre.org/data/definitions/611.html">CWE-611: Improper Restriction of XML External Entity Reference ('XXE')</a>
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:php:php:5.6.0:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:beta4:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:beta3:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:beta2:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:beta1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:alpha3:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:alpha2:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.0:alpha1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:php:php:5.5.21:*:*:*:*:*:*:* (and previous)
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
    Changed Reference Type https://bugs.php.net/bug.php?id=64938 No Types Assigned https://bugs.php.net/bug.php?id=64938 Advisory
    Added CWE NVD-CWE-Other
  • Initial Analysis by [email protected]

    May. 23, 2016

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-8866 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2015-8866 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.73 }} 0.01%

score

0.80241

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: