CVE-2015-8866

Advisory lineage Upstream: 0 Downstream: 7
Modified
Published: 22 May 2016, 01:00
Last modified:06 Aug 2024, 08:29

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.6 CRITICAL
v3.1 (nvd)
EPSS Score
3.53% LOW
4% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

22 May 2016, 01:00
Published
Vulnerability first disclosed
06 Aug 2024, 08:29
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•CRITICAL•Score: 9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 3.53%• Percentile: 88%

Techniques & Countermeasures

  • CWE-611•Improper Restriction of XML External Entity Reference

    The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

Affected Systems

  • canonical•ubuntu_linux

    12.04 | 14.04 | 15.10

  • opensuse•leap

    42.1

  • opensuse•opensuse

    13.2

  • Unknown•PHP

    ≥ 5.5.0, < 5.5.22 | ≥ 5.6.0, < 5.6.6 | ≥ 7.0.0, < 7.0.27 | ≥ 7.1.0, < 7.1.13 | ≥ 7.2.0, < 7.2.1

  • suse•linux_enterprise_module_for_web_scripting

    12

  • suse•linux_enterprise_software_development_kit

    12 | 12:sp1

References (12)