CVE-2024-14043
MediumCVSS 6.3Exploitation Probability (EPSS)
Low risk39th percentile - higher than 39% of all known CVEs
Summary
A vulnerability was determined in Open5GS up to 2.7.1. The function mme_s6a_subscription_data_from_avp in src/mme/mme-fd-path.c of the Diameter S6a Interface component is affected. Manipulation of the argument msisdn_len leads to heap-based buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed. Upgrading to version 2.7.2 resolves the issue.
Risk Assessment
Heap-based buffer overflow may allow remote code execution or cause service disruption. The public exploit increases the risk of attack.
Recommendation
Upgrade Open5GS to version 2.7.2 or later as soon as possible, as it contains the fix.
Original NVD description (English source)
A vulnerability was determined in Open5GS up to 2.7.1. This vulnerability affects the function mme_s6a_subscription_data_from_avp of the file src/mme/mme-fd-path.c of the component Diameter S6a Interface. Executing a manipulation of the argument msisdn_len can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2.7.2 is able to resolve this issue. This patch is called 7ea82cb87bb65c3694d8d7c7a5efed1c4d3c9304. Upgrading the affected component is recommended.