USN-5479-3: PHP regression

Releases

• Ubuntu 18.04 ESM

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)

Update instructions

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

Ubuntu 18.04

• 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

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

References

• CVE-2022-31625

Related notices

• USN-5479-1
• USN-5479-2