Vulnerability identifier: #VU83414

Vulnerability 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-2023-46120

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
RabbitMQ Java Client Library
Universal components / Libraries / Software for developers

Vendor:

Description

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

The vulnerability exists due to RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. A remote attacker can send a very large Message causing a memory overflow and triggering an OOM Error to perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://github.com/rabbitmq/rabbitmq-java-client/releases/tag/v5.18.0
http://github.com/rabbitmq/rabbitmq-java-client/issues/1062
http://github.com/rabbitmq/rabbitmq-java-client/security/advisories/GHSA-mm8h-8587-p46h
http://github.com/rabbitmq/rabbitmq-java-client/commit/714aae602dcae6cb4b53cadf009323ebac313cc8

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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?

No. We are not aware of malware exploiting this vulnerability.