Monitor system logs for unexpected crashes related to the nas_eps_send_emm_to_esm function to identify potential exploitation attempts. CVE-2024-24429 Detail - NVD
Open5GS versions up to and including 2.6.4 24429mp4
The vulnerability stems from a "reachable assertion" within the nas_eps_send_emm_to_esm function. In software development, an assertion is a check that the code assumes to be true; if it fails, the program usually crashes immediately to prevent further errors. Monitor system logs for unexpected crashes related to
When the system processes this malicious packet, it hits the failed assertion and shuts down. In a mobile network environment, this results in a Denial of Service , potentially cutting off connectivity for users serviced by that core. Recommendations When the system processes this malicious packet, it
An attacker can trigger this crash by sending a specially crafted NGAP packet (Next Generation Application Protocol) to the system.
Typically rated as high, as it impacts the availability of core mobile network functions. Technical Breakdown