Description
Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, the default password reset mechanism generates tokens using sha1($email) with no random component, no expiration, and no rate limiting. An attacker who knows a user's email can compute the reset token and change the victim's password without authentication. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low
Affected products
- chamilo / chamilo-lms< 1.11.38 – < 1.11.38
- chamilo / chamilo-lms>= 2.0.0-alpha.1, < 2.0.0-RC.3 – >= 2.0.0-alpha.1, < 2.0.0-RC.3