Use After Free Affecting php-common package, versions <0:7.4.19-1.module+el8.5.0+11143+cc873159


Severity

Recommended
medium

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.06% (26th percentile)

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  • Snyk ID SNYK-CENTOS8-PHPCOMMON-1956088
  • published 26 Jul 2021
  • disclosed 6 Aug 2020

How to fix?

Upgrade Centos:8 php-common to version 0:7.4.19-1.module+el8.5.0+11143+cc873159 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php-common package and not the php-common package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

In PHP versions 7.2.x below 7.2.33, 7.3.x below 7.3.21 and 7.4.x below 7.4.9, while processing PHAR files using phar extension, phar_parse_zipfile could be tricked into accessing freed memory, which could lead to a crash or information disclosure.

CVSS Scores

version 3.1
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NVD

3.6 low
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    None
  • Availability (A)
    Low
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Red Hat

3.6 low
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SUSE

4 medium