CVE-2024-24821

Composer is a dependency Manager for the PHP language. In affected versions
several files within the local working directory are included during the
invocation of Composer and in the context of the executing user. As such,
under certain conditions arbitrary code execution may lead to local
privilege escalation, provide lateral user movement or malicious code
execution when Composer is invoked within a directory with tampered files.
All Composer CLI commands are affected, including composer.phar’s
self-update. The following scenarios are of high risk: Composer being run
with sudo, Pipelines which may execute Composer on untrusted projects,
Shared environments with developers who run Composer individually on the
same project. This vulnerability has been addressed in versions 2.7.0 and
2.2.23. It is advised that the patched versions are applied at the earliest
convenience. Where not possible, the following should be addressed: Remove
all sudo composer privileges for all users to mitigate root privilege
escalation, and avoid running Composer within an untrusted directory, or if
needed, verify that the contents of vendor/composer/InstalledVersions.php
and vendor/composer/installed.php do not include untrusted code. A reset
can also be done on these files by the following:sh rm vendor/composer/installed.php vendor/composer/InstalledVersions.php composer install --no-scripts --no-plugins