SafeLine through 9.4.1 derives the management console session-signing secret from a time-seeded math/rand generator, allowing attackers to reconstruct the key offline. Unauthenticated remote attackers who can bound the install timestamp can regenerate the secret and forge valid administrator session cookies to gain control of protected sites.
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
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
References 5
https://github.com/chaitin/SafeLine
disclosure@vulncheck.com
https://github.com/chaitin/SafeLine/blob/v9.4.1/management/webserver/model/opti…
disclosure@vulncheck.com
https://github.com/chaitin/SafeLine/blob/v9.4.1/management/webserver/utils/rand…
disclosure@vulncheck.com
https://github.com/chaitin/SafeLine/issues/1298
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/safeline-through-9.4.1-authentication-bypa…
disclosure@vulncheck.com