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CVE-2026-4601

HIGH

8.7

Beschreibung

Versions of the package jsrsasign before 11.1.1 are vulnerable to Missing Cryptographic Step via the KJUR.crypto.DSA.signWithMessageHash process in the DSA signing implementation. An attacker can recover the private key by forcing r or s to be zero, so the library emits an invalid signature without retrying, and then solves for x from the resulting signature.

CVE Details

CVSS v3.1 Bewertung8.7

SchweregradHIGH

CVSS VektorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

AngriffsvektorNETWORK

KomplexitatHIGH

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht3/23/2026

Zuletzt geandert3/23/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

jsrsasign_project:jsrsasign

Schwachen (CWE)

CWE-325

Referenzen

https://gist.github.com/Kr0emer/93789fe6efe5519db9692d4ad1dad586(report@snyk.io)

https://github.com/kjur/jsrsasign/commit/0710e392ec35de697ce11e4219c988ba2b5fe0eb(report@snyk.io)

https://github.com/kjur/jsrsasign/pull/645(report@snyk.io)

https://security.snyk.io/vuln/SNYK-JS-JSRSASIGN-15370941(report@snyk.io)

IOC Korrelationen

Keine Korrelationen erfasst

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