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
9.99% (96th percentile)

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  • Snyk IDSNYK-RHEL7-PHPEMBEDDED-4538590
  • published26 Jul 2021
  • disclosed2 Mar 2015

Introduced: 2 Mar 2015

CVE-2015-2787  (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 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages use of the unset function within an __wakeup function, a related issue to CVE-2015-0231.

CVSS Scores

version 3.1