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veracodeVeracode Vulnerability DatabaseVERACODE:27008
HistorySep 21, 2020 - 6:30 a.m.

Insecure Certificate Signature Signing

2020-09-2106:30:08
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
9

0.006 Low

EPSS

Percentile

78.7%

firefox does not properly perform certificate signature signing. A vulnerability exists where it is possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages.