CVE-2024-14043: Open5GS Diameter S6a mme-fd-path.c mme_s6a_subscription_data_from_avp heap-based overflow
A vulnerability was determined in Open5GS up to 2.7.1. This vulnerability affects the function mmes6asubscriptiondatafromavp of the file src/mme/mme-fd-path.c of the component Diameter S6a Interface. Executing a manipulation of the argument msisdnlen 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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Open5GS Diameter S6a Interfaceto a version that resolves this vulnerability.Fixed in 2.7.2Patch 7ea82cb87bb65c3694d8d7c7a5efed1c4d3c9304
Event History
Frequently Asked Questions
What is the severity of CVE-2024-14043?
The severity of CVE-2024-14043 is rated as medium with a CVSS score of 6.3.
How do I fix CVE-2024-14043?
To mitigate CVE-2024-14043, update your Open5GS software to version 2.7.2 or later.
What type of vulnerability is CVE-2024-14043?
CVE-2024-14043 is classified as a heap-based buffer overflow vulnerability.
Which component is affected by CVE-2024-14043?
The vulnerability affects the Diameter S6a Interface component in Open5GS.
What causes the vulnerability in CVE-2024-14043?
The vulnerability is caused by a manipulation of the msisdn_len argument in the mme_s6a_subscription_data_from_avp function.