str4d ed25519-java

CVE-2020-36843
MEDIUM 4.3

At a glance

Source
NVD
EPSS
EPSS 0.14 % · percentile 4 ()
State
PUBLISHED
Published
Updated
Assigner
mitre
NVD status
Deferred

Description

The implementation of EdDSA in EdDSA-Java (aka ed25519-java) through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA (Strong Existential Unforgeability under Chosen Message Attacks) property. This allows attackers to create new valid signatures different from previous signatures for a known message.

Weaknesses (CWE)

  • CWE-347 — Improper Verification of Cryptographic Signature

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 4.3CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:Nmitre
CVSS 3.1MEDIUM 4.3CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:NNVD · cve@mitre.org (Secondary)

Advisories

European references

CERT-FR advisories

Affected products

ProductVersions
str4d · ed25519-javaaffected 0 ≤ 0.3.0

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD