Description
A vulnerability was determined in TOZED ZLT M30s up to 1.47. The affected element is an unknown function of the component UART Interface. Executing manipulation can lead to on-chip debug and test interface with improper access control. The physical device can be targeted for the attack. Attacks of this nature are highly complex. The exploitability is described as difficult. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| TOZED | ZLT M30s | 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11, 1.12, 1.13, 1.14, 1.15, 1.16, 1.17, 1.18, 1.19, 1.20, 1.21, 1.22, 1.23, 1.24, 1.25, 1.26, 1.27, 1.28, 1.29, 1.30, 1.31, 1.32, 1.33, 1.34, 1.35, 1.36, 1.37, 1.38, 1.39, 1.40, 1.41, 1.42, 1.43, 1.44, 1.45, 1.46, 1.47 | — |
References
- VDB-338411 | TOZED ZLT M30s UART on-chip debug and test interface with improper access control vdb-entry
- VDB-338411 | CTI Indicators (IOB, IOC) signature permissions-required
- Submit #707974 | TOZED ZLT M30s 1.47 Improper Access Control in Debug Interface third-party-advisory
- https://hacklab.eu.org/blogs/zlt_m30s_debug_interface exploit