#VU12798 Information disclosure in Apache Tomcat


Published: 2018-05-17 | Updated: 2018-07-25

Vulnerability identifier: #VU12798

Vulnerability risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-8014

CWE-ID: CWE-200

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 obtain potentially sensitive information on the target system.
The weakness exists due to the defaults settings for the CORS filter are insecure and enable supportsCredentials for all origins. It is expected that users of the CORS filter will have configured it appropriately for their environment rather than using it in the default configuration. A remote attacker can access important data.

Mitigation
Update to version 8.0.53 or 8.5.32.
Update to version 9.0.9.

Vulnerable software versions

Apache Tomcat: 8.0.0 - 8.0.50, 8.5.0 - 8.5.28, 9.0.0-M1 - 9.0.5


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


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.


Latest bulletins with this vulnerability