Ubuntu Security Notice USN-6841-2

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Ubuntu Security Notice USN-6841-2
September 09, 2024

php7.0, php7.2 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS

Summary:

PHP could be made to accept invalid URLs.

Software Description:
– php7.2: HTML-embedded scripting language interpreter
– php7.0: HTML-embedded scripting language interpreter

Details:

USN-6841-1 fixed a vulnerability in PHP. This update provides the
corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory details:

It was discovered that PHP could early return in the filter_var function
resulting in invalid user information being treated as valid user
information. An attacker could possibly use this issue to expose raw
user input information.

Update instructions:

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

Ubuntu 18.04 LTS
libapache2-mod-php7.2 7.2.24-0ubuntu0.18.04.17+esm5
Available with Ubuntu Pro
php7.2 7.2.24-0ubuntu0.18.04.17+esm5
Available with Ubuntu Pro
php7.2-cgi 7.2.24-0ubuntu0.18.04.17+esm5
Available with Ubuntu Pro
php7.2-cli 7.2.24-0ubuntu0.18.04.17+esm5
Available with Ubuntu Pro
php7.2-fpm 7.2.24-0ubuntu0.18.04.17+esm5
Available with Ubuntu Pro

Ubuntu 16.04 LTS
libapache2-mod-php7.0 7.0.33-0ubuntu0.16.04.16+esm11
Available with Ubuntu Pro
php7.0 7.0.33-0ubuntu0.16.04.16+esm11
Available with Ubuntu Pro
php7.0-cgi 7.0.33-0ubuntu0.16.04.16+esm11
Available with Ubuntu Pro
php7.0-cli 7.0.33-0ubuntu0.16.04.16+esm11
Available with Ubuntu Pro
php7.0-fpm 7.0.33-0ubuntu0.16.04.16+esm11
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-6841-2
https://ubuntu.com/security/notices/USN-6841-1
CVE-2024-5458