#VU36903 Deserialization of Untrusted Data in ManageEngine Applications Manager - CVE-2016-9498

Vulnerability identifier: #VU36903

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-9498

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ManageEngine Applications Manager
Server applications / Remote management servers, RDP, SSH

Vendor: Zoho Corporation

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

ManageEngine Applications Manager 12 and 13 before build 13200, allows unserialization of unsafe Java objects. The vulnerability can be exploited by remote user without authentication and it allows to execute remote code compromising the application as well as the operating system. As Application Manager's RMI registry is running with privileges of system administrator, by exploiting this vulnerability an attacker gains highest privileges on the underlying operating system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ManageEngine Applications Manager : 12.0 - 13.0

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External links
https://seclists.org/fulldisclosure/2017/Apr/9
https://www.manageengine.com/products/applications_manager/security-updates/security-updates-cve-2016-9498.html
https://www.securityfocus.com/bid/97394/

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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.