Vulnerability Details CVE-2022-2576
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 44.4%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2022-2576
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cpe:2.3:a:eclipse:californium:2.0.0
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cpe:2.3:a:eclipse:californium:2.1.0
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cpe:2.3:a:eclipse:californium:2.2.0
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cpe:2.3:a:eclipse:californium:2.2.1
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cpe:2.3:a:eclipse:californium:2.2.2
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cpe:2.3:a:eclipse:californium:2.2.3
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cpe:2.3:a:eclipse:californium:2.3.0
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cpe:2.3:a:eclipse:californium:2.3.1
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cpe:2.3:a:eclipse:californium:2.4.0
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cpe:2.3:a:eclipse:californium:2.4.1
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cpe:2.3:a:eclipse:californium:2.5.0
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cpe:2.3:a:eclipse:californium:2.6.0
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cpe:2.3:a:eclipse:californium:2.6.1
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cpe:2.3:a:eclipse:californium:2.6.2
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cpe:2.3:a:eclipse:californium:2.6.3
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cpe:2.3:a:eclipse:californium:2.6.4
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cpe:2.3:a:eclipse:californium:2.6.5
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cpe:2.3:a:eclipse:californium:2.6.6
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cpe:2.3:a:eclipse:californium:2.7.0
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cpe:2.3:a:eclipse:californium:2.7.1
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cpe:2.3:a:eclipse:californium:2.7.2
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cpe:2.3:a:eclipse:californium:3.0.0
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cpe:2.3:a:eclipse:californium:3.1.0
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cpe:2.3:a:eclipse:californium:3.2.0
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cpe:2.3:a:eclipse:californium:3.3.0
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cpe:2.3:a:eclipse:californium:3.3.1
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cpe:2.3:a:eclipse:californium:3.4.0
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cpe:2.3:a:eclipse:californium:3.5.0