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Published on May 1st, 2024 📆 | 7537 Views ⚑

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Ubuntu Security Notice USN-6757-1 – Torchsec


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==========================================================================
Ubuntu Security Notice USN-6757-1
April 29, 2024

php7.0, php7.2, php7.4, php8.1 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in PHP.

Software Description:
- php8.1: HTML-embedded scripting language interpreter
- php7.4: HTML-embedded scripting language interpreter
- php7.2: HTML-embedded scripting language interpreter
- php7.0: HTML-embedded scripting language interpreter

Details:

It was discovered that PHP incorrectly handled PHP_CLI_SERVER_WORKERS variable.
An attacker could possibly use this issue to cause a crash or execute
arbitrary code. This issue only affected Ubuntu 20.04 LTS, and
Ubuntu 22.04 LTS. (CVE-2022-4900)

It was discovered that PHP incorrectly handled certain cookies.
An attacker could possibly use this issue to cookie by pass.
(CVE-2024-2756)

It was discovered that PHP incorrectly handled some passwords.
An attacker could possibly use this issue to cause an account takeover
attack. (CVE-2024-3096)





Update instructions:

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

Ubuntu 22.04 LTS
libapache2-mod-php8.1 8.1.2-1ubuntu2.16
php8.1 8.1.2-1ubuntu2.16
php8.1-cgi 8.1.2-1ubuntu2.16
php8.1-cli 8.1.2-1ubuntu2.16
php8.1-fpm 8.1.2-1ubuntu2.16
php8.1-xml 8.1.2-1ubuntu2.16

Ubuntu 20.04 LTS
libapache2-mod-php7.4 7.4.3-4ubuntu2.21
php7.4 7.4.3-4ubuntu2.21
php7.4-cgi 7.4.3-4ubuntu2.21
php7.4-cli 7.4.3-4ubuntu2.21
php7.4-fpm 7.4.3-4ubuntu2.21
php7.4-xml 7.4.3-4ubuntu2.21

Ubuntu 18.04 LTS
libapache2-mod-php7.2 7.2.24-0ubuntu0.18.04.17+esm3
Available with Ubuntu Pro
php7.2 7.2.24-0ubuntu0.18.04.17+esm3
Available with Ubuntu Pro
php7.2-cgi 7.2.24-0ubuntu0.18.04.17+esm3
Available with Ubuntu Pro
php7.2-cli 7.2.24-0ubuntu0.18.04.17+esm3
Available with Ubuntu Pro
php7.2-fpm 7.2.24-0ubuntu0.18.04.17+esm3
Available with Ubuntu Pro
php7.2-xml 7.2.24-0ubuntu0.18.04.17+esm3
Available with Ubuntu Pro

Ubuntu 16.04 LTS
libapache2-mod-php7.0 7.0.33-0ubuntu0.16.04.16+esm9
Available with Ubuntu Pro
php7.0 7.0.33-0ubuntu0.16.04.16+esm9
Available with Ubuntu Pro
php7.0-cgi 7.0.33-0ubuntu0.16.04.16+esm9
Available with Ubuntu Pro
php7.0-cli 7.0.33-0ubuntu0.16.04.16+esm9
Available with Ubuntu Pro
php7.0-fpm 7.0.33-0ubuntu0.16.04.16+esm9
Available with Ubuntu Pro
php7.0-xml 7.0.33-0ubuntu0.16.04.16+esm9
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-6757-1
CVE-2022-4900, CVE-2024-2756, CVE-2024-3096

Package Information:
https://launchpad.net/ubuntu/+source/php8.1/8.1.2-1ubuntu2.16
https://launchpad.net/ubuntu/+source/php7.4/7.4.3-4ubuntu2.21

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