An elevation of privilege vulnerability exists in ManageEngine ADSelfService Plus before build 6003 because it does not properly enforce user privileges associated with a Certificate dialog. This vulnerability could allow an unauthenticated attacker to escalate privileges on a Windows host. An attacker does not require any privilege on the target system in order to exploit this vulnerability. One option is the self-service option on the Windows login screen. Upon selecting this option, the thick-client software is launched, which connects to a remote ADSelfService Plus server to facilitate self-service operations. An unauthenticated attacker having physical access to the host could trigger a security alert by supplying a self-signed SSL certificate to the client. The View Certificate option from the security alert allows an attacker to export a displayed certificate to a file. This can further cascade to a dialog that can open Explorer as SYSTEM. By navigating from Explorer to windowssystem32, cmd.exe can be launched as a SYSTEM.
Weakness
The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Manageengine_adselfservice_plus | Zohocorp | * | 5.8 (including) |
| Manageengine_adselfservice_plus | Zohocorp | 6.0 (including) | 6.0 (including) |
| Manageengine_adselfservice_plus | Zohocorp | 6.0-6000 (including) | 6.0-6000 (including) |
| Manageengine_adselfservice_plus | Zohocorp | 6.0-6001 (including) | 6.0-6001 (including) |
| Manageengine_adselfservice_plus | Zohocorp | 6.0-6002 (including) | 6.0-6002 (including) |
Potential Mitigations
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/122.html
- https://cwe.mitre.org/data/definitions/233.html
- https://cwe.mitre.org/data/definitions/58.html
References
- http://packetstormsecurity.com/files/158820/ManageEngine-ADSelfService-Plus-6000-Remote-Code-Execution.html
- http://seclists.org/fulldisclosure/2020/Aug/4
- http://seclists.org/fulldisclosure/2020/Aug/6
- https://pitstop.manageengine.com/portal/en/community/topic/adselfservice-plus-6003-release-faceid-support
- https://www.exploit-db.com/exploits/48739
- https://www.manageengine.com
- http://packetstormsecurity.com/files/158820/ManageEngine-ADSelfService-Plus-6000-Remote-Code-Execution.html
- http://seclists.org/fulldisclosure/2020/Aug/4
- http://seclists.org/fulldisclosure/2020/Aug/6
- https://pitstop.manageengine.com/portal/en/community/topic/adselfservice-plus-6003-release-faceid-support
- https://www.exploit-db.com/exploits/48739
- https://www.manageengine.com