Security restrictions bypass in Zoho ManageEngine Desktop Central

1) Security restrictions bypass

EUVDB-ID: #VU14061

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-12999

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to improper access control in gentTrayIconServlet in Zoho ManageEngine Desktop Central. A remote unauthenticated attacker can send a specially crafted request to the server with a computerName=../ substring to the /agenttrayicon URI, bypass security restrictions and delete certain files on the web server without login.

Mitigation

Update to version 10.0.288.

Vulnerable software versions

Zoho ManageEngine Desktop Central: 10.0.255 - 10.0.283

CPE2.3

• cpe:2.3:a:zohocorp:zoho_manageengine_desktop_central:10.0.255:*:*:*:*:*:*:*
• cpe:2.3:a:zohocorp:zoho_manageengine_desktop_central:10.0.271:*:*:*:*:*:*:*
• cpe:2.3:a:zohocorp:zoho_manageengine_desktop_central:10.0.283:*:*:*:*:*:*:*

External links

https://github.com/unh3x/just4cve/issues/9

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.