ModelScope uses PyYAML's unsafe yaml.Loader to parse model configuration files, allowing arbitrary code execution through Python object construction tags. Attackers can craft malicious model repositories with poisoned configuration files that execute code when loaded by users.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Passive
Minimal interaction
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
References 5
https://github.com/modelscope/modelscope
disclosure@vulncheck.com
https://github.com/modelscope/modelscope/blob/v1.40.0/modelscope/models/audio/t…
disclosure@vulncheck.com
https://github.com/modelscope/modelscope/blob/v1.40.0/modelscope/models/multi_m…
disclosure@vulncheck.com
https://github.com/modelscope/modelscope/issues/1660
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/modelscope-through-1.40.0-unsafe-yaml-dese…
disclosure@vulncheck.com