Remote code execution in Zoho ManageEngine EventLog Analyzer

1) Code Injection

EUVDB-ID: #VU59098

Risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-44832

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote user with permission to modify the logging configuration file can construct a malicious configuration using a JDBC Appender with a data source referencing a JNDI URI which can execute remote code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Zoho ManageEngine EventLog Analyzer: 12200 - 12214

CPE2.3

• cpe:2.3:a:zohocorp:zoho_manageengine_eventlog_analyzer:12200:*:*:*:*:*:*:*
• cpe:2.3:a:zohocorp:zoho_manageengine_eventlog_analyzer:12201:*:*:*:*:*:*:*
• cpe:2.3:a:zohocorp:zoho_manageengine_eventlog_analyzer:12203:*:*:*:*:*:*:*

External links

https://www.manageengine.com/products/eventlog/features-new.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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