Use After Free Affecting php-embedded package, versions <0:5.4.16-36.el7_1


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
72.23% (99th percentile)

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  • Snyk IDSNYK-RHEL7-PHPEMBEDDED-4554923
  • published26 Jul 2021
  • disclosed1 Jan 2015

Introduced: 1 Jan 2015

CVE-2015-0231  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:7 php-embedded to version 0:5.4.16-36.el7_1 or higher.
This issue was patched in RHSA-2015:1135.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php-embedded package and not the php-embedded package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.37, 5.5.x before 5.5.21, and 5.6.x before 5.6.5 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages improper handling of duplicate numerical keys within the serialized properties of an object. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-8142.

CVSS Scores

version 3.1