Local Root Exploit via Configuration Dictionary

CVE-2024-1929

What is CVE-2024-1929?

The vulnerability in dnf5daemon-server prior to version 5.1.17 arises from an unsafe handling of configuration entries through the D-Bus interface. Specifically, when the org.rpm.dnf.v0.SessionManager.open_session method is called, it processes a key/value map that includes a 'config' key. This key contains another map with configuration overrides that are sent to libdnf5::Base without proper validation. This lack of sanity checking allows malicious users to manipulate configuration aspects extensively. Consequently, an attacker can control the loading of shared libraries, resulting in unauthorized root access, thereby compromising both confidentiality and integrity of the system.

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References