Vulnerability identifier: #VU1183

Vulnerability risk: Medium

CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2016-8735

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Tomcat
Server applications / Web servers

Vendor: Apache Foundation

Description

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

The vulnerability exists within JmxRemoteLifecycleListener listener component due to usage of vulnerable Oracle code, fixed in CVE-2016-3427. A remote unauthenticated attacker with ability to connect to vulnerable listener can execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to gain complete control over vulnerable system.

Mitigation
Update to version 6.0.48, 7.0.73, 8.0.39 or 9.0.0.M13

Vulnerable software versions

Apache Tomcat: 8.0.0 - 8.0.38, 9.0.0-M1 - 9.0.0-M11, 7.0.0 - 7.0.72, 6.0.0 - 6.0.47

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External links
http://tomcat.apache.org/security-6.html
http://tomcat.apache.org/security-7.html
http://tomcat.apache.org/security-8.html
http://tomcat.apache.org/security-9.html

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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?

Yes. This vulnerability is being exploited in the wild.