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CVE-2025-66016

CGGMP24 is a state-of-art ECDSA TSS protocol that supports 1-round signing (requires 3 preprocessing rounds), identifiable abort, and a key refresh protocol. Prior to version 0.6.3, there is a missing check in the ZK proof that enables an attack in which single malicious signer can reconstruct full private key. This issue has been patched in version 0.6.3, for full mitigation it is recommended to upgrade to cggmp24 version 0.7.0-alpha.2 as it contains more security checks.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9e69a981b2ee190bd8c3b412e5c6b2f03b2b7fdfacae9486b3e1a977d5349ede
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"cggmp21","vendor":"LFDT-Lockness","versions":[{"status":"affected","version":"< 0.6.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6d043e321f951ae9184eaf7e6a9da20537fe0f2b9c990b6a94076707aa96fb00 · sha256:ebb2a4ec01b8db42… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6d043e321f951ae9184eaf7e6a9da20537fe0f2b9c990b6a94076707aa96fb00 · sha256:ebb2a4ec01b8db42… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-345","description":"CWE-345: Insufficient Verification of Data Authenticity","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6d043e321f951ae9184eaf7e6a9da20537fe0f2b9c990b6a94076707aa96fb00 · sha256:ebb2a4ec01b8db42… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/LFDT-Lockness/cggmp21/security/advisories/GHSA-m95p-425x-x889","tags":["x_refsource_CONFIRM"],"url":"https://github.com/LFDT-Lockness/cggmp21/security/advisories/GHSA-m95p-425x-x889"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6d043e321f951ae9184eaf7e6a9da20537fe0f2b9c990b6a94076707aa96fb00 · sha256:ebb2a4ec01b8db42… · /containers/cna/references/0
{"name":"https://www.dfns.co/article/cggmp21-vulnerabilities-patched-and-explained","tags":["x_refsource_MISC"],"url":"https://www.dfns.co/article/cggmp21-vulnerabilities-patched-and-explained"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6d043e321f951ae9184eaf7e6a9da20537fe0f2b9c990b6a94076707aa96fb00 · sha256:ebb2a4ec01b8db42… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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