Description
A vulnerability was determined in YosysHQ yosys up to 0.62. This affects the function Yosys::RTLIL::Const::set of the file kernel/rtlil.h of the component BLIF File Parser. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Applying a patch is the recommended action to fix this issue. It appears that the issue is not reproducible all the time.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| YosysHQ | yosys | 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 0.10, 0.11, 0.12, 0.13, 0.14, 0.15, 0.16, 0.17, 0.18, 0.19, 0.20, 0.21, 0.22, 0.23, 0.24, 0.25, 0.26, 0.27, 0.28, 0.29, 0.30, 0.31, 0.32, 0.33, 0.34, 0.35, 0.36, 0.37, 0.38, 0.39, 0.40, 0.41, 0.42, 0.43, 0.44, 0.45, 0.46, 0.47, 0.48, 0.49, 0.50, 0.51, 0.… | — |
References
- VDB-348302 | YosysHQ yosys BLIF File rtlil.h set heap-based overflow vdb-entry technical-description
- VDB-348302 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #763755 | YosysHQ yosys 8bbde80 Heap-based Buffer Overflow third-party-advisory
- https://github.com/YosysHQ/yosys/issues/5677 issue-tracking
- https://github.com/YosysHQ/yosys/pull/5680 issue-tracking patch
- https://github.com/oneafter/0210/blob/main/yo2/repro exploit
- https://github.com/YosysHQ/yosys/pull/5681 issue-tracking patch
- https://github.com/YosysHQ/yosys/ product