Information disclosure in Apache Tomcat

1) Information disclosure

EUVDB-ID: #VU85619

Risk: Medium

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-2024-21733

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application when processing incomplete HTTP POST requests. A remote attacker can send a specially crafted HTTP POST request to the server and obtain data from a previous request from another user.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Tomcat: 8.5.0 - 9.0.43

External links

http://lists.apache.org/thread/h9bjqdd0odj6lhs2o96qgowcc6hb0cfz
http://www.openwall.com/lists/oss-security/2024/01/19/2

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.