What is CVE-2022-2576?

CVE-2022-2576 is a vulnerability in Eclipse Californium that allows for a DTLS resumption handshake to fall back to a full handshake on a parameter mismatch, leading to potential DDoS attacks.

What is the severity of CVE-2022-2576?

CVE-2022-2576 has a severity rating of 7.5 (High).

Which versions of Eclipse Californium are affected by CVE-2022-2576?

CVE-2022-2576 affects Eclipse Californium versions 2.0.0 to 2.7.2 and 3.0.0 to 3.5.0.

How does CVE-2022-2576 impact the affected software?

CVE-2022-2576 can result in message amplification (DDoS other peers) if used with certificate-based cipher suites.

Is there a fix available for CVE-2022-2576?

At the moment, there is no known fix or patch available for CVE-2022-2576.

Vulnerability/
CVE-2022-2576

high

7.5

CWE

408

29/7/2022

3/8/2024

CVE-2022-2576

First published: Fri Jul 29 2022(Updated: )

In Eclipse Californium version 2.0.0 to 2.7.2 and 3.0.0-3.5.0 a DTLS resumption handshake falls back to a DTLS full handshake on a parameter mismatch without using a HelloVerifyRequest. Especially, if used with certificate based cipher suites, that results in message amplification (DDoS other peers) and high CPU load (DoS own peer). The misbehavior occurs only with DTLS_VERIFY_PEERS_ON_RESUMPTION_THRESHOLD values larger than 0.

Credit: emo@eclipse.org

Affected Software	Affected Version	How to fix
Eclipse Californium	>=2.0.0<=2.7.2
Eclipse Californium	>=3.0.0<=3.5.0

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Reference Links

https://bugs.eclipse.org/580018

Frequently Asked Questions

What is CVE-2022-2576?
CVE-2022-2576 is a vulnerability in Eclipse Californium that allows for a DTLS resumption handshake to fall back to a full handshake on a parameter mismatch, leading to potential DDoS attacks.
What is the severity of CVE-2022-2576?
CVE-2022-2576 has a severity rating of 7.5 (High).
Which versions of Eclipse Californium are affected by CVE-2022-2576?
CVE-2022-2576 affects Eclipse Californium versions 2.0.0 to 2.7.2 and 3.0.0 to 3.5.0.
How does CVE-2022-2576 impact the affected software?
CVE-2022-2576 can result in message amplification (DDoS other peers) if used with certificate-based cipher suites.
Is there a fix available for CVE-2022-2576?
At the moment, there is no known fix or patch available for CVE-2022-2576.

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agent/severity
agent/references
agent/last-modified-date
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agent/first-publish-date
agent/event
agent/source
vendor/eclipse
canonical/eclipse californium
version/eclipse californium/2.0.0
version/eclipse californium/2.7.2
version/eclipse californium/3.0.0
version/eclipse californium/3.5.0

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