Harbor through 2.15.2 fails to properly restrict the q query parameter filtering on scanner registration access credentials. Project administrators can exploit fuzzy filtering on the AccessCredential column to recover the scanner adapter secret one character at a time through response row counts.
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
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/geo-chen/oss/blob/main/harbor.md
disclosure@vulncheck.com
https://github.com/goharbor/harbor
disclosure@vulncheck.com
https://github.com/goharbor/harbor/blob/v2.15.1/src/pkg/scan/dao/scanner/model.…
disclosure@vulncheck.com
https://github.com/goharbor/harbor/blob/v2.15.1/src/pkg/user/dao/user.go#L35-L42
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/harbor-through-2.15.2-scanner-credential-d…
disclosure@vulncheck.com