A weakness has been identified in Open5GS up to 2.7.6. Affected by this issue is the function sgwc_s5c_handle_create_session_response of the file src/sgwc/s5c-handler.c of the component GTPv2-C Flow Handler. Executing a manipulation can lead to denial of service.
The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. This patch is called 5aaa09907e7b9e0a326265a5f08d56f54280b5f2.
It is advisable to implement a patch to correct this issue.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Open5gs Open5gs
cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
|
— |
<= 2.7.6
|
References 7
https://github.com/open5gs/open5gs/commit/5aaa09907e7b9e0a326265a5f08d56f54280b…
cna@vuldb.com
https://github.com/open5gs/open5gs/issues/4224
cna@vuldb.com
https://github.com/open5gs/open5gs/issues/4224#issue-3766767406
cna@vuldb.com
https://github.com/open5gs/open5gs/issues/4224#issuecomment-3698521008
cna@vuldb.com
https://vuldb.com/?ctiid.339341
cna@vuldb.com
https://vuldb.com/?id.339341
cna@vuldb.com
https://vuldb.com/?submit.728044
cna@vuldb.com