Ubuntu Security Notice USN-6053-1 – Torchsec
Ubuntu Security Notice USN-6053-1
May 02, 2023
php7.0 vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 ESM
Summary:
PHP could be made to bypass password checking if a specially crafted input was
provided.
Software Description:
- php7.0: HTML-embedded scripting language interpreter
Details:
It was discovered that PHP incorrectly handled certain invalid Blowfish
password hashes. An invalid password hash could possibly allow applications to
accept any password as valid, contrary to expectations.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.04 ESM:
libapache2-mod-php7.0 7.0.33-0ubuntu0.16.04.16+esm6
php7.0 7.0.33-0ubuntu0.16.04.16+esm6
php7.0-cgi 7.0.33-0ubuntu0.16.04.16+esm6
php7.0-cli 7.0.33-0ubuntu0.16.04.16+esm6
php7.0-fpm 7.0.33-0ubuntu0.16.04.16+esm6
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6053-1
CVE-2023-0567
Gloss