Meshery before 1.0.57 contains an unauthenticated arbitrary file read vulnerability in the /api/system/fileView and /api/system/fileDownload endpoints that pass user-supplied file parameters directly to os.Open without path validation. Attackers can supply absolute paths or traversal sequences in the file parameter to read arbitrary files from the host filesystem without authentication.
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
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 5
https://github.com/meshery/meshery/commit/ea83a26cb090b13be36c07cf24a99f8c637cc…
disclosure@vulncheck.com
https://github.com/meshery/meshery/issues/20076
disclosure@vulncheck.com
https://github.com/meshery/meshery/pull/20133
disclosure@vulncheck.com
https://github.com/meshery/meshery/releases/tag/v1.0.57
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/meshery-unauthenticated-arbitrary-file-rea…
disclosure@vulncheck.com