A security flaw has been discovered in Open5GS up to 2.7.6. Affected by this vulnerability is the function ogs_gtp2_parse_bearer_qos in the library lib/gtp/v2/types.c of the component Bearer QoS IE Length Handler. Performing manipulation results in denial of service.
The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is named 4e913d21f2c032b187815f063dbab5ebe65fe83a.
To fix this issue, it is recommended to deploy a patch.
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/4e913d21f2c032b187815f063dbab5ebe65fe…
cna@vuldb.com
https://github.com/open5gs/open5gs/issues/4217
cna@vuldb.com
https://github.com/open5gs/open5gs/issues/4217#issue-3759615968
cna@vuldb.com
https://github.com/open5gs/open5gs/issues/4217#issuecomment-3690767105
cna@vuldb.com
https://vuldb.com/?ctiid.339340
cna@vuldb.com
https://vuldb.com/?id.339340
cna@vuldb.com
https://vuldb.com/?submit.728043
cna@vuldb.com