Loop with Unreachable Exit Condition ('Infinite Loop') Affecting php56-mssql package, versions <0:5.6.36-1.138.amzn1


Severity

Recommended
medium

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    2.52% (91st percentile)

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  • Snyk ID SNYK-AMZN201803-PHP56MSSQL-1713086
  • published 27 Sep 2021
  • disclosed 29 Apr 2018

How to fix?

Upgrade Amazon-Linux:2018.03 php56-mssql to version 0:5.6.36-1.138.amzn1 or higher.
This issue was patched in ALAS-2018-1019.

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.

An issue was discovered in PHP before 5.6.36, 7.0.x before 7.0.30, 7.1.x before 7.1.17, and 7.2.x before 7.2.5. An infinite loop exists in ext/iconv/iconv.c because the iconv stream filter does not reject invalid multibyte sequences.