Description
A flaw has been found in gmg137 snap7-rs up to 1.142.1. This impacts the function TSnap7MicroClient::opWriteArea of the file s7_micro_client.cpp. Executing a manipulation can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| gmg137 | snap7-rs | 1.142.0, 1.142.1 | — |
References
- VDB-336401 | gmg137 snap7-rs s7_micro_client.cpp opWriteArea heap-based overflow vdb-entry technical-description
- VDB-336401 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- https://gitee.com/gmg137/snap7-rs/issues/ID2H8E exploit issue-tracking
- https://gitee.com/gmg137/snap7-rs/ product