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 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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
mozillaCNA
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---
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 32%
VendorProductVersion
mozillafirefox
𝑥
< 68.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
132.0.1-1
fixed
stretch
ignored
jessie
ignored
nss
bullseye
2:3.61-1+deb11u3
fixed
stretch
ignored
jessie
ignored
bullseye (security)
2:3.61-1+deb11u4
fixed
bookworm
2:3.87.1-1
fixed
sid
2:3.105-2
fixed
trixie
2:3.105-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
noble
Fixed 68.0+build3-0ubuntu1
released
mantic
Fixed 68.0+build3-0ubuntu1
released
lunar
Fixed 68.0+build3-0ubuntu1
released
kinetic
Fixed 68.0+build3-0ubuntu1
released
jammy
Fixed 68.0+build3-0ubuntu1
released
impish
Fixed 68.0+build3-0ubuntu1
released
hirsute
Fixed 68.0+build3-0ubuntu1
released
groovy
Fixed 68.0+build3-0ubuntu1
released
focal
Fixed 68.0+build3-0ubuntu1
released
eoan
Fixed 68.0+build3-0ubuntu1
released
disco
Fixed 68.0+build3-0ubuntu0.19.04.1
released
cosmic
Fixed 68.0+build3-0ubuntu0.18.10.1
released
bionic
Fixed 68.0+build3-0ubuntu0.18.04.1
released
xenial
Fixed 68.0+build3-0ubuntu0.16.04.1
released
trusty
dne
mozjs38
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
eoan
dne
disco
dne
cosmic
dne
bionic
ignored
xenial
dne
trusty
dne
mozjs52
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
ignored
focal
ignored
eoan
ignored
disco
ignored
cosmic
ignored
bionic
ignored
xenial
dne
trusty
dne
mozjs60
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
eoan
ignored
disco
ignored
cosmic
ignored
bionic
dne
xenial
dne
trusty
dne
nss
noble
Fixed 2:3.45-1ubuntu1
released
mantic
Fixed 2:3.45-1ubuntu1
released
lunar
Fixed 2:3.45-1ubuntu1
released
kinetic
Fixed 2:3.45-1ubuntu1
released
jammy
Fixed 2:3.45-1ubuntu1
released
impish
Fixed 2:3.45-1ubuntu1
released
hirsute
Fixed 2:3.45-1ubuntu1
released
groovy
Fixed 2:3.45-1ubuntu1
released
focal
Fixed 2:3.45-1ubuntu1
released
eoan
Fixed 2:3.45-1ubuntu1
released
disco
Fixed 2:3.42-1ubuntu2.1
released
cosmic
ignored
bionic
not-affected
xenial
not-affected
trusty
not-affected
thunderbird
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
not-affected
eoan
not-affected
disco
ignored
cosmic
ignored
bionic
not-affected
xenial
Fixed 1:68.7.0+build1-0ubuntu0.16.04.2
released
trusty
dne