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Security Advisories: GSA_kwCzR0hTQS1xcTNqLTQ0Z3ctY2Y2cs4AAtvo

Eclipse Californium denial of service (DoS) via Datagram Transport Layer Security (DTLS) handshake on parameter mismatch

In Eclipse Californium versions 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.

Permalink: https://github.com/advisories/GHSA-qq3j-44gw-cf6r
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1xcTNqLTQ0Z3ctY2Y2cs4AAtvo
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 1 year ago
Updated: 11 months ago


CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Identifiers: GHSA-qq3j-44gw-cf6r, CVE-2022-2576
References: Repository: https://github.com/eclipse-californium/californium

Affected Packages

maven:org.eclipse.californium:californium-core
Dependent packages: 60
Dependent repositories: 649
Downloads:
Affected Version Ranges: >= 3.0.0, <= 3.5.0, >= 2.0.0, <= 2.7.2
Fixed in: 3.6.0, 2.7.3
All affected versions: 2.0.0, 2.1.0, 2.2.0, 2.2.1, 2.2.2, 2.2.3, 2.3.0, 2.3.1, 2.4.0, 2.4.1, 2.5.0, 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 2.7.0, 2.7.1, 2.7.2, 3.0.0, 3.1.0, 3.2.0, 3.3.0, 3.3.1, 3.4.0, 3.5.0
All unaffected versions: 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.0.6, 1.0.7, 2.7.3, 2.7.4, 2.8.0, 3.6.0, 3.7.0, 3.8.0, 3.9.0, 3.9.1, 3.10.0