Lenve vhr through commit 03abbd3 contains an information disclosure vulnerability that allows any authenticated user to retrieve other operators' BCrypt password hashes via GET /chat/hrs. Low-privileged operators can collect administrator password hashes, phone numbers, and addresses from the serialized Hr entity for offline cracking and privilege escalation.
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 6
https://github.com/lenve/vhr
disclosure@vulncheck.com
https://github.com/lenve/vhr/blob/03abbd35af24e55368ce4e09f4038dc2aba3ff5f/vhr/…
disclosure@vulncheck.com
https://github.com/lenve/vhr/blob/03abbd35af24e55368ce4e09f4038dc2aba3ff5f/vhr/…
disclosure@vulncheck.com
https://github.com/lenve/vhr/blob/03abbd35af24e55368ce4e09f4038dc2aba3ff5f/vhr/…
disclosure@vulncheck.com
https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/vhr-chat-hrs-password-disclosure
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/vhr-through-commit-03abbd3-information-dis…
disclosure@vulncheck.com