CVE-2020-15522

MEDIUM

5.9

Beschreibung

Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math library that can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures.

CVE Details

CVSS v3.1 Bewertung5.9

SchweregradMEDIUM

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

AngriffsvektorNETWORK

KomplexitatHIGH

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht5/20/2021

Zuletzt geandert7/17/2025

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

bouncycastle:bc-csharpbouncycastle:bouncy_castle_fips_.net_apibouncycastle:fips_java_apibouncycastle:the_bouncy_castle_crypto_package_for_java

Schwachen (CWE)

CWE-362

Referenzen

https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522(cve@mitre.org)

https://github.com/bcgit/bc-java/wiki/CVE-2020-15522(cve@mitre.org)

https://security.netapp.com/advisory/ntap-20210622-0007/(cve@mitre.org)

https://www.bouncycastle.org/releasenotes.html(cve@mitre.org)

https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/bcgit/bc-java/wiki/CVE-2020-15522(af854a3a-2127-422b-91ae-364da2661108)

https://security.netapp.com/advisory/ntap-20210622-0007/(af854a3a-2127-422b-91ae-364da2661108)

https://www.bouncycastle.org/releasenotes.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Korrelationen

Keine Korrelationen erfasst

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