Use After Free Affecting php56-mssql package, versions <0:5.6.8-1.111.amzn1


Severity

Recommended
0.0
low
0
10

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    14.53% (96th percentile)

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  • Snyk ID SNYK-AMZN201803-PHP56MSSQL-1684689
  • published 27 Sep 2021
  • disclosed 30 Mar 2015

How to fix?

Upgrade Amazon-Linux:2018.03 php56-mssql to version 0:5.6.8-1.111.amzn1 or higher.
This issue was patched in ALAS-2015-511.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php56-mssql package and not the php56-mssql package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

Use-after-free vulnerability in the _zend_shared_memdup function in zend_shared_alloc.c in the OPcache extension in PHP through 5.6.7 allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.

CVSS Scores

version 3.1
Expand this section

NVD

7.3 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    Low
Expand this section

Red Hat

3.7 low