Buffer Overflow Affecting php-bcmath package, versions <0:8.0.13-3.module+el8.6.0+15725+0c79e7c4


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
1.12% (86th percentile)

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  • Snyk IDSNYK-CENTOS8-PHPBCMATH-2932582
  • published20 Jun 2022
  • disclosed16 May 2022

Introduced: 16 May 2022

CVE-2022-31626  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade Centos:8 php-bcmath to version 0:8.0.13-3.module+el8.6.0+15725+0c79e7c4 or higher.

NVD Description

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

In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when pdo_mysql extension with mysqlnd driver, if the third party is allowed to supply host to connect to and the password for the connection, password of excessive length can trigger a buffer overflow in PHP, which can lead to a remote code execution vulnerability.

CVSS Scores

version 3.1