| Título | Open5GS SGWC v2.7.6 Denial of Service |
|---|
| Descrição | SGW-C can be forced to crash when handling a crafted GTPv2-C CreateSessionResponse on S5-C, if the response cannot be mapped to a valid S11 transaction context.
In sgwc_s5c_handle_create_session_response() (file src/sgwc/s5c-handler.c), SGW-C expects to find the corresponding S11 transaction (s11_xact) associated with the S5-C transaction / response. When the association lookup fails , s11_xact == NULL and the code triggers and the assertion triggers an immediate process abort, causing denial-of-service. |
|---|
| Fonte | ⚠️ https://github.com/open5gs/open5gs/issues/4226 |
|---|
| Utilizador | ZiyuLin (UID 93568) |
|---|
| Submissão | 31/12/2025 10h42 (há 9 meses) |
|---|
| Moderação | 16/01/2026 17h36 (16 days later) |
|---|
| Estado | Aceite |
|---|
| Entrada VulDB | 341596 [Open5GS até 2.7.6 src/sgwc/s5c-handler.c sgwc_s5c_handle_create_session_response Negação de Serviço] |
|---|
| Pontos | 20 |
|---|