Free5gc

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the nnef-pfdmanagement route group without inbound OAuth2/bearer-token authorization. A network attacker who can reach NEF on the SBI can use a forged or arbitrary bearer token…

Cross-Site Request Forgery vulnerability, whose exploitation could allow an attacker to perform different actions on the platform as an administrator, simply by changing the token value to "admin". It is also possible to perform POST, GET and DELETE requests without any token…

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's SMF mounts the UPI management route group without OAuth2/bearer-token authorization middleware. A network attacker who can reach SMF on the SBI can hit UPI endpoints with no Authorization…

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the nnef-oam route group without inbound OAuth2/bearer-token authorization. A network attacker who can reach NEF on the SBI can hit the OAM route with no Authorization header at…

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the 3gpp-traffic-influence API without inbound OAuth2/bearer-token authorization. A network attacker who can reach NEF on the SBI can create, read, patch, and delete…

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the 3gpp-pfd-management API without inbound OAuth2/bearer-token authorization. A network attacker who can reach NEF on the SBI can create, read, and delete PFD-management…

free5GC is an open-source implementation of the 5G core network. In 4.2.2 and earlier, the NRF RegisterNFInstance handler at PUT /nnrf-nfm/v1/nf-instances/{nfInstanceID} accepts NF Profiles without enforcing UUID format, nfStatus enum values, heartBeatTimer ranges, mandatory…

An issue was discovered in Free5gc NRF 1.4.0. In the access-token generation logic of free5GC, the AccessTokenScopeCheck() function in file internal/sbi/processor/access_token.go bypasses all scope validation when the attacker uses a crafted targetNF value. This allows attackers…

An issue in the NssaiAvailabilitySubscriptionCreate component of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

An issue in the RechargePut function of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

An issue in the HandleGetSharedData function of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Improper input validation in the HandleUpdate function (/sbi/parameter_provision.go) of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

An issue in the complexQueryFilterSubprocess function in the NRF Discovery service of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

An issue in the NF Discovery endpoint of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted snssais query.

An issue in free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) when parsing crafted SUCI data during UE registration.

An issue in the NAS decoder component of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted Registration Request message.

Improper Input Validation in the HTTPModifySubscription handler of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

An issue in the CreateUEContext handler component of free5gc v4.1.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted request.

A NULL pointer dereference in the AMF NGAP Dispatcher component of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via supplying crafted NGAP messages during the initialization of a new RAN connection.

An issue in the ModifyAMFEventSubscriptionProcedure function (processor/event_exposure.go) of free5gc v4.1.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted PATCH request.