Information disclosure in Apache Tomcat

1) Information disclosure

EUVDB-ID: #VU1090

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-6794

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows an application to obtain potentially sensitive information on the target system.
The weakness is due to insufficient accesss control. By invoking the system property replacement feature, a malicious application can bypass a configured SecurityManager and read potentially sensitive system properties.
Successful exploitation of the vulnerability results in disclosure of important data on the vulnerable system.

Mitigation

Update to version 6.0.47, 7.0.72, 8.0.37, 8.5.5, 9.0.0.M10.

Vulnerable software versions

Apache Tomcat: 6.0.47 - 9.0.0-M10

External links

http://tomcat.apache.org/security-8.html

Q & A

Can this vulnerability be exploited remotely?

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