Privilege escalation in Zoho ManageEngine Desktop Central

1) Improper access control

EUVDB-ID: #VU15152

Risk: Low

CVSSv3.1: 8.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2018-13412,CVE-2018-13411

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insecure implementation of the administrative functionality within the Self Service Portal on systems installed with Desktop Central Agent. A local unprivileged user can run the "dcagenttrayicon.exe" application with "-ssp" parameter and gain access to Windows command prompt with SYSTEM privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zoho ManageEngine Desktop Central: 10.0.200 - 10.0.276

External links

http://github.com/AJ-SA/Zoho-ManageEngine/blob/master/README.md
http://www.manageengine.com/products/desktop-central/elevation-of-system-privilege.html

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.