5 results · Feed
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Medium 6.1
free5GC: UE Security Capability bypass on NGAP PathSwitchRequest
free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, the AMF in Free5GC does not verify the UE Security Capabilities received in NGAP PathSwitchRequest messages against its locally stored values, as mandated by 3GPP TS 33.501 §6.7.…
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Low 3.7
free5GC: Missing Concurrent NAS SMC Validation During NGAP Handover
free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, the AMF in Free5GC does not enforce the concurrent security procedure rules defined in 3GPP TS 33.501 §6.9.5.1. The AMF does not check for ongoing N2 handover procedures before i…
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Medium 5.5
free5GC AMF missing default case in Content-Type switch in HTTPUEContextTransfer
free5GC AMF provides Access & Mobility Management Function (AMF) for free5GC, an an open-source project for 5th generation (5G) mobile core networks. Prior to version 1.4.3, the `HTTPUEContextTransfer` handler in `internal/sbi/api_communication.go` does not i…
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Medium 5.3
Free5GC AMF handler.go HandleRegistrationComplete denial of service
A weakness has been identified in Free5GC 4.1.0. Affected is the function HandleRegistrationComplete of the file internal/gmm/handler.go of the component AMF. Executing a manipulation can lead to denial of service. The attack may be performed from remote. Thi…
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High 7.5
free5GC AMF denial of service vulnerability
An issue was discovered in free5GC version 3.3.0, allows remote attackers to execute arbitrary code and cause a denial of service (DoS) on AMF component via crafted NGAP message.