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Ubuntu Security Notice USN-6305-2
February 27, 2024

php7.0, php7.2, php7.4 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)

Summary:

Several security issues were fixed in PHP.

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

Details:

USN-6305-1 fixed several vulnerabilities in PHP. This update provides
the corresponding update for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS.

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 20.04 LTS:
  libapache2-mod-php7.4           7.4.3-4ubuntu2.20
  php7.4                          7.4.3-4ubuntu2.20
  php7.4-cgi                      7.4.3-4ubuntu2.20
  php7.4-cli                      7.4.3-4ubuntu2.20
  php7.4-fpm                      7.4.3-4ubuntu2.20
  php7.4-xml                      7.4.3-4ubuntu2.20

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
  libapache2-mod-php7.2           7.2.24-0ubuntu0.18.04.17+esm2
  php7.2                          7.2.24-0ubuntu0.18.04.17+esm2
  php7.2-cgi                      7.2.24-0ubuntu0.18.04.17+esm2
  php7.2-cli                      7.2.24-0ubuntu0.18.04.17+esm2
  php7.2-fpm                      7.2.24-0ubuntu0.18.04.17+esm2
  php7.2-xml                      7.2.24-0ubuntu0.18.04.17+esm2

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
  libapache2-mod-php7.0           7.0.33-0ubuntu0.16.04.16+esm8
  php7.0                          7.0.33-0ubuntu0.16.04.16+esm8
  php7.0-cgi                      7.0.33-0ubuntu0.16.04.16+esm8
  php7.0-cli                      7.0.33-0ubuntu0.16.04.16+esm8
  php7.0-fpm                      7.0.33-0ubuntu0.16.04.16+esm8
  php7.0-xml                      7.0.33-0ubuntu0.16.04.16+esm8

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

References:
  https://ubuntu.com/security/notices/USN-6305-2
  https://ubuntu.com/security/notices/USN-6305-1
  CVE-2023-3823, CVE-2023-3824

Package Information:
  https://launchpad.net/ubuntu/+source/php7.4/7.4.3-4ubuntu2.20

Ubuntu 6305-2: PHP vulnerabilities

February 27, 2024
Several security issues were fixed in PHP.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS (Available with Ubuntu Pro) - Ubuntu 16.04 LTS (Available with Ubuntu Pro) Summary: Several security issues were fixed in PHP. Software Description: - php7.4: HTML-embedded scripting language interpreter - php7.2: HTML-embedded scripting language interpreter - php7.0: HTML-embedded scripting language interpreter Details: USN-6305-1 fixed several vulnerabilities in PHP. This update provides the corresponding update for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. 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 20.04 LTS: libapache2-mod-php7.4 7.4.3-4ubuntu2.20 php7.4 7.4.3-4ubuntu2.20 php7.4-cgi 7.4.3-4ubuntu2.20 php7.4-cli 7.4.3-4ubuntu2.20 php7.4-fpm 7.4.3-4ubuntu2.20 php7.4-xml 7.4.3-4ubuntu2.20 Ubuntu 18.04 LTS (Available with Ubuntu Pro): libapache2-mod-php7.2 7.2.24-0ubuntu0.18.04.17+esm2 php7.2 7.2.24-0ubuntu0.18.04.17+esm2 php7.2-cgi 7.2.24-0ubuntu0.18.04.17+esm2 php7.2-cli 7.2.24-0ubuntu0.18.04.17+esm2 php7.2-fpm 7.2.24-0ubuntu0.18.04.17+esm2 php7.2-xml 7.2.24-0ubuntu0.18.04.17+esm2 Ubuntu 16.04 LTS (Available with Ubuntu Pro): libapache2-mod-php7.0 7.0.33-0ubuntu0.16.04.16+esm8 php7.0 7.0.33-0ubuntu0.16.04.16+esm8 php7.0-cgi 7.0.33-0ubuntu0.16.04.16+esm8 php7.0-cli 7.0.33-0ubuntu0.16.04.16+esm8 php7.0-fpm 7.0.33-0ubuntu0.16.04.16+esm8 php7.0-xml 7.0.33-0ubuntu0.16.04.16+esm8 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6305-2

https://ubuntu.com/security/notices/USN-6305-1

CVE-2023-3823, CVE-2023-3824

Severity
Ubuntu Security Notice USN-6305-2

Package Information

https://launchpad.net/ubuntu/+source/php7.4/7.4.3-4ubuntu2.20

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