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.
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)
References 8
https://github.com/YosysHQ/yosys/
cna@vuldb.com
https://github.com/YosysHQ/yosys/issues/5677
cna@vuldb.com
https://github.com/YosysHQ/yosys/pull/5680
cna@vuldb.com
https://github.com/YosysHQ/yosys/pull/5681
cna@vuldb.com
https://github.com/oneafter/0210/blob/main/yo2/repro
cna@vuldb.com
https://vuldb.com/?ctiid.348302
cna@vuldb.com
https://vuldb.com/?id.348302
cna@vuldb.com
https://vuldb.com/?submit.763755
cna@vuldb.com