Flame through 2.4.0 contains an improper restriction of excessive authentication attempts vulnerability in the POST /api/auth login endpoint that allows unauthenticated attackers to brute-force the admin password. Attackers can submit unlimited password guesses without rate limiting, attempt counters, lockouts, or delays to gain full administrator access and modify application configuration.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
High
Complete data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 6
https://github.com/pawelmalak/flame
disclosure@vulncheck.com
https://github.com/pawelmalak/flame/blob/v2.4.0/.docker/Dockerfile#L28
disclosure@vulncheck.com
https://github.com/pawelmalak/flame/blob/v2.4.0/controllers/auth/login.js#L11-L…
disclosure@vulncheck.com
https://github.com/pawelmalak/flame/blob/v2.4.0/routes/auth.js#L7
disclosure@vulncheck.com
https://github.com/pawelmalak/flame/issues/494
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/flame-through-2.4.0-brute-force-attack-via…
disclosure@vulncheck.com