Ubuntu 6586 Published by

The following updates have been released for Ubuntu Linux:

[USN-6663-1] OpenSSL update
[USN-6305-2] PHP vulnerabilities




[USN-6663-1] OpenSSL update


==========================================================================
Ubuntu Security Notice USN-6663-1
February 27, 2024

openssl update
==========================================================================

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

- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)

Summary:

Add implicit rejection in PKCS#1 v1.5 in OpenSSL.

Software Description:
- openssl: Secure Socket Layer (SSL) cryptographic library and tools

Details:

As a security improvement, this update prevents OpenSSL
from returning an error when detecting wrong padding
in PKCS#1 v1.5 RSA, to prevent its use in possible
Bleichenbacher timing attacks.

Update instructions:

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

Ubuntu 23.10:
  libssl-doc                      3.0.10-1ubuntu2.3
  libssl3                         3.0.10-1ubuntu2.3
  openssl                         3.0.10-1ubuntu2.3

Ubuntu 22.04 LTS:
  libssl-doc                      3.0.2-0ubuntu1.15
  libssl3                         3.0.2-0ubuntu1.15
  openssl                         3.0.2-0ubuntu1.15

Ubuntu 20.04 LTS:
  libssl-doc                      1.1.1f-1ubuntu2.22
  libssl1.1                       1.1.1f-1ubuntu2.22
  openssl                         1.1.1f-1ubuntu2.22

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
  libssl-doc                      1.1.1-1ubuntu2.1~18.04.23+esm5
  libssl1.1                       1.1.1-1ubuntu2.1~18.04.23+esm5
  openssl                         1.1.1-1ubuntu2.1~18.04.23+esm5

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-6663-1
  https://launchpad.net/bugs/2054090

Package Information:
  https://launchpad.net/ubuntu/+source/openssl/3.0.10-1ubuntu2.3
  https://launchpad.net/ubuntu/+source/openssl/3.0.2-0ubuntu1.15
  https://launchpad.net/ubuntu/+source/openssl/1.1.1f-1ubuntu2.22



[USN-6305-2] PHP vulnerabilities


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

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

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