Description
Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs omits SystemPrivilege.ControlAccess checks from IamApi.listRoles, IamApi.getRole, and IamApi.listPrivileges in yamcs-core/src/main/java/org/yamcs/http/api/IamApi.java. Any authenticated account can call GET /api/roles, GET /api/roles/{name}, and GET /api/privileges to enumerate available system privileges and configured role mappings. The disclosure reveals security configuration that can support targeted privilege-escalation attempts. This issue is fixed in versions 5.12.8 and 5.13.2.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
yamcs yamcs
< 5.12.8affected>= 5.13.0, < 5.13.2affected
References
- https://github.com/yamcs/yamcs/security/advisories/GHSA-cvw4-55pp-3hfq ↗
- https://github.com/yamcs/yamcs/commit/c2aec1c242e656e48b52c7f87deea88183bb592d ↗
- https://github.com/yamcs/yamcs/commit/dcaec5f0b2f4231b8e313e94d79a937169c9e0ba ↗
- https://github.com/yamcs/yamcs/releases/tag/yamcs-5.12.8 ↗
- https://github.com/yamcs/yamcs/releases/tag/yamcs-5.13.2 ↗