Denial of service in Pivotal RabbitMQ

1) Input validation error

EUVDB-ID: #VU53724

Risk: Medium

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

CVE-ID: CVE-2021-22116

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when processing AMPQ messages in AMQP 1.0 client connection endpoint.. A remote attacker can send specially crafted input to the application and perform a denial of service (DoS) attack.

Successful exploitation of the vulnerability requires that AMQP 1.0 plugin is enabled.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

RabbitMQ: 1.1.1 - 4.0.0

External links

http://tanzu.vmware.com/security/cve-2021-22116

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.