RustDesk versions before 1.5.0 fail to properly validate file transfer permissions on incoming file clipboard messages in the Cliprdr message handler on Linux and macOS. Authenticated remote peers with disabled file transfer permissions can place files onto the host clipboard and retrieve copied files and contents from the process-wide clipboard cache.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
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
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 5
https://github.com/rustdesk/rustdesk
disclosure@vulncheck.com
https://github.com/rustdesk/rustdesk/blob/1.4.9/src/server/connection.rs#L3074-…
disclosure@vulncheck.com
https://github.com/rustdesk/rustdesk/commit/f299fb9906006247863250d7dfaa016f29e…
disclosure@vulncheck.com
https://github.com/rustdesk/rustdesk/pull/16333
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/rustdesk-before-1.5.0-missing-authorizatio…
disclosure@vulncheck.com