USN-6305-3: PHP regression

Releases

• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• php7.0 - HTML-embedded scripting language interpreter
• php7.2 - HTML-embedded scripting language interpreter

Details

USN-6305-2 fixed a vulnerability in PHP. The update caused a regression
in Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. This update fix it.

Original advisory details:

It was discovered that PHP incorrectly handled certain XML files.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2023-3823)

It was discovered that PHP incorrectly handled certain PHAR files.
An attacker could possibly use this issue to cause a crash,
expose sensitive information or execute arbitrary code.
(CVE-2023-3824)

Update instructions

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

Ubuntu 18.04

• php7.2 - 7.2.24-0ubuntu0.18.04.17+esm4
  Available with Ubuntu Pro
• php7.2-cgi - 7.2.24-0ubuntu0.18.04.17+esm4
  Available with Ubuntu Pro
• php7.2-cli - 7.2.24-0ubuntu0.18.04.17+esm4
  Available with Ubuntu Pro
• php7.2-fpm - 7.2.24-0ubuntu0.18.04.17+esm4
  Available with Ubuntu Pro
• php7.2-xml - 7.2.24-0ubuntu0.18.04.17+esm4
  Available with Ubuntu Pro
• php7.2-xmlrpc - 7.2.24-0ubuntu0.18.04.17+esm4
  Available with Ubuntu Pro

Ubuntu 16.04

• php7.0 - 7.0.33-0ubuntu0.16.04.16+esm10
  Available with Ubuntu Pro
• php7.0-cgi - 7.0.33-0ubuntu0.16.04.16+esm10
  Available with Ubuntu Pro
• php7.0-cli - 7.0.33-0ubuntu0.16.04.16+esm10
  Available with Ubuntu Pro
• php7.0-fpm - 7.0.33-0ubuntu0.16.04.16+esm10
  Available with Ubuntu Pro
• php7.0-xml - 7.0.33-0ubuntu0.16.04.16+esm10
  Available with Ubuntu Pro
• php7.0-xmlrpc - 7.0.33-0ubuntu0.16.04.16+esm10
  Available with Ubuntu Pro

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

References

• https://launchpad.net/bugs/2071768