Out-of-bounds Write Affecting php-enchant package, versions <0:7.3.20-1.module+el8.2.0+7373+b272fdef
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Test your applications- Snyk ID SNYK-CENTOS8-PHPENCHANT-2047276
- published 26 Jul 2021
- disclosed 1 Apr 2020
How to fix?
Upgrade Centos:8 php-enchant to version 0:7.3.20-1.module+el8.2.0+7373+b272fdef or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream php-enchant package and not the php-enchant package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution.
References
- https://security.netapp.com/advisory/ntap-20200403-0001/
- https://www.php.net/ChangeLog-7.php#7.4.4
- https://www.tenable.com/security/tns-2021-14
- https://access.redhat.com/security/cve/CVE-2020-7065
- https://www.debian.org/security/2020/dsa-4719
- https://bugs.php.net/bug.php?id=79371
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://access.redhat.com/errata/RHSA-2020:3662
- https://usn.ubuntu.com/4330-1/
- https://usn.ubuntu.com/4330-2/