Vulnerability Monitor

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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 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.

Published

2016-05-22T01:59:05.727

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 9.6 (CRITICAL)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-611
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application php php < 5.5.22 Yes
Application php php < 5.6.6 Yes
Application php php < 7.0.27 Yes
Application php php < 7.1.13 Yes
Application php php < 7.2.1 Yes
Operating System canonical ubuntu_linux 12.04 Yes
Operating System canonical ubuntu_linux 14.04 Yes
Operating System canonical ubuntu_linux 15.10 Yes
Operating System opensuse leap 42.1 Yes
Operating System opensuse opensuse 13.2 Yes
Operating System suse linux_enterprise_module_for_web_scripting 12 Yes
Operating System suse linux_enterprise_software_development_kit 12 Yes
Operating System suse linux_enterprise_software_development_kit 12 Yes
References