Out-of-bounds Read Affecting php5 package, versions <5.5.9+dfsg-1ubuntu4.23


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
1.37% (87th percentile)

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  • Snyk IDSNYK-UBUNTU1404-PHP5-394716
  • published18 Aug 2017
  • disclosed18 Aug 2017

Introduced: 18 Aug 2017

CVE-2017-12933  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Ubuntu:14.04 php5 to version 5.5.9+dfsg-1ubuntu4.23 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php5 package and not the php5 package as distributed by Ubuntu. See How to fix? for Ubuntu:14.04 relevant fixed versions and status.

The finish_nested_data function in ext/standard/var_unserializer.re in PHP before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 is prone to a buffer over-read while unserializing untrusted data. Exploitation of this issue can have an unspecified impact on the integrity of PHP.