A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function amfnamfcommdecodeuemmcontextlist of the file src/amf/namf-handler.c of the component AMF. This manipulation of the argument ueContext.mmContextList[].allowedNssai causes memory corruption. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2.8.0 is able to resolve this issue. Patch name: abf8a836564b966b5141110fc25ed413c4f17522. It is recommended to upgrade the affected component.

A vulnerability was detected in Open5GS up to 2.7.7. Affected by this vulnerability is the function amfnnrfhandlenfdiscover of the file src/amf/nnrf-handler.c of the component AMF. The manipulation results in denial of service. The attack may be launched remotely. The exploit is now public and may be used. The patch is identified as fb5f67703de0213fb9c6e6ef3b48b6c1707e9503. It is best practice to apply a patch to resolve this issue.

A vulnerability has been found in Open5GS up to 2.7.5. Affected is the function gmmstatederegistered/gmmstateexception of the file src/amf/gmm-sm.c of the component AMF. The manipulation leads to denial of service. It is possible to launch the attack remotely. Upgrading to version 2.7.6 is able to address this issue. The name of the patch is 1f30edac27f69f61cff50162e980fe58fdeb30ca. It is recommended to upgrade the affected component.

A vulnerability was found in Open5GS up to 2.7.5. This affects the function gmmstateexception of the file src/amf/gmm-sm.c of the component AMF. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The identifier of the patch is f47f2bd4f7274295c5fbb19e2f806753d183d09a. It is recommended to upgrade the affected component.