1. Ubuntu Security Notices
  2. USN-5479-3

USN-5479-3: PHP regression

Publication date

7 July 2022

Overview

USN-5479-1 was incomplete and didn’t properly fix one of the addressed issues.

Releases

Packages

  • php7.2 - HTML-embedded scripting language interpreter

Details

USN-5479-1 fixed vulnerabilities in PHP. Unfortunately that update for
CVE-2022-31625 was incomplete for Ubuntu 18.04 LTS. This update fixes
the problem.

We apologize for the inconvenience.

Original advisory details:

Charles Fol discovered that PHP incorrectly handled initializing certain
arrays when handling the pg_query_params function. A remote attacker could
use this issue to cause PHP to crash, resulting in a denial of service, or
possibly execute arbitrary code. (CVE-2022-31625)

Charles Fol discovered that PHP incorrectly handled passwords in mysqlnd. A
remote attacker could use this issue to cause PHP to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2022-31626)

USN-5479-1 fixed vulnerabilities in PHP. Unfortunately that update for
CVE-2022-31625 was incomplete for Ubuntu 18.04 LTS. This update fixes
the problem.

We apologize for the inconvenience.

Original advisory details:

Charles Fol discovered that PHP incorrectly handled initializing certain
arrays when handling the pg_query_params function. A remote attacker could
use this issue to cause PHP to crash, resulting in a denial of service, or
possibly execute arbitrary code. (CVE-2022-31625)

Charles Fol discovered that PHP incorrectly handled passwords in mysqlnd. A
remote attacker could use this issue to cause PHP to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2022-31626)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
18.04 bionic php7.2-fpm –  7.2.24-0ubuntu0.18.04.13
php7.2-cli –  7.2.24-0ubuntu0.18.04.13
libapache2-mod-php7.2 –  7.2.24-0ubuntu0.18.04.13
php7.2-pgsql –  7.2.24-0ubuntu0.18.04.13
php7.2-cgi –  7.2.24-0ubuntu0.18.04.13

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References

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