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Ubuntu 18.04 LTS: USN-6841-2 Critical PHP Invalid URL Issue

ubuntu
Calendar Grey September 9, 2024
Scroller Ubuntu
Fortify your system by implementing Ubuntu patches that resolve PHP handling of malformed URLs in releases 7.0 and 7.2.
PHP could be made to accept invalid URLs.

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.

Topics%20covered

Topics Covered

security advisory DoS Ubuntu application fix php7.0 php7.2 invalid URLs

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

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6841-2

Topics%20covered

Topics Covered

security advisory DoS Ubuntu application fix php7.0 php7.2 invalid URLs

Package Information

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