Home/CVE/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
CVE

CVE-2015-8866

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

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.

CRITICAL · CVSS 9.6 EPSS 0.03531
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-611Improper Restriction of XML External Entity Reference
▤

Affected Products & Versions

10
php>= 5.5.0 and < 5.5.22
php>= 5.6.0 and < 5.6.6
php>= 7.0.0 and < 7.0.27
php>= 7.1.0 and < 7.1.13
php>= 7.2.0 and < 7.2.1
canonical ubuntu linuxall versions
opensuse leapall versions
opensuseall versions
⚠

Public Exploits & PoCs

1
pocbugs.php.net · bug.php?id=64938bugs.php.net
▣

Scoring & Timeline

9.6
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 May 2016 · 01:59 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
⚑

Vendor Advisories

5
rhsaRHSA-2016:2750Moderate
suse-csafSUSE-SU-2016:1638-1
suse-csafSUSE-SU-2016:1581-1
suse-csafSUSE-SU-2016:1310-1
suse-csafSUSE-SU-2016:1277-1
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.php.net/?p=php-src.git
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.htmlMailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2750.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/04/24/1Mailing ListPatchThird Party Advisory
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