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Ubuntu 20.04 LTS USN-7157-2: Critical PHP Regression Fix

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Calendar Grey December 13, 2024
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A critical PHP vulnerability on Ubuntu 20.04 LTS linked to USN-7157-1 necessitates immediate attention to mitigate potential threats.
USN-7157-1 introduced a regression in PHP.

Summary

USN-7157-1 introduced a regression in PHP.

Software Description:

- php7.4: HTML-embedded scripting language interpreter

Details:

USN-7157-1 fixed vulnerabilities in PHP. The patch for

CVE-2024-8932 caused a regression in php7.4. This

update fixes the problem.

Original advisory details:

It was discovered that PHP incorrectly handled certain inputs when

processed with convert.quoted-printable decode filters.

An attacker could possibly use this issue to expose sensitive

information or cause a crash. (CVE-2024-11233)

It was discovered that PHP incorrectly handled certain HTTP requests.

An attacker could possibly use this issue to performing arbitrary

HTTP requests originating from the server, thus potentially

gaining access to resources not normally available to the external

user. (CVE-2024-11234)

It was discovered that PHP incorrectly handled certain inputs.

An attacker could possibly use this issue to cause a crash or

execute arbitrary code. (CVE-2024-11236, CVE-20...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory security issue arbitrary code execution Ubuntu update instructions regression php7.4

Update Instructions

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

Ubuntu 20.04 LTS
  libapache2-mod-php7.4           7.4.3-4ubuntu2.28
  php7.4                          7.4.3-4ubuntu2.28
  php7.4-cgi                      7.4.3-4ubuntu2.28
  php7.4-cli                      7.4.3-4ubuntu2.28
  php7.4-ldap                     7.4.3-4ubuntu2.28

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

References

https://ubuntu.com/security/notices/USN-7157-2

https://ubuntu.com/security/notices/USN-7157-1

CVE-2024-8932

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7157-2

Topics%20covered

Topics Covered

security advisory security issue arbitrary code execution Ubuntu update instructions regression php7.4

Package Information

https://launchpad.net/ubuntu/+source/php7.4/7.4.3-4ubuntu2.28

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