CVE-2019-11727

A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only…

published July 23, 2019

CVSS
—
EPSS
2%
Percentile
78.5
In the wild
Unconfirmed
What it is

A vulnerability exists where it 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. This vulnerability affects Firefox < 68.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01812 · 78.5th percentile
Published
2019-07-23T13:16Z
EPSS history
Timeline
  • 23 JUL 13:16Z
    A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only…
    cvelistv5