CVE-2019-19963

An issue was discovered in wolfSSL before 4.3.0 in a non-default configuration where DSA is enabled. DSA signing uses the BEEA algorithm during modular inversion of the nonce, leading to a side-channel attack against the nonce.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 57%
VendorProductVersion
wolfsslwolfssl
𝑥
< 4.3.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
wolfssl
bullseye
4.6.0+p1-0+deb11u2
fixed
bookworm
5.5.4-2+deb12u1
fixed
sid
5.7.2-0.1
fixed
trixie
5.7.2-0.1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
wolfssl
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
ignored
disco
ignored
bionic
needs-triage
xenial
needs-triage
trusty
dne
References
https://github.com/wolfSSL/wolfssl/commit/7e391f0fd57f2ef375b1174d752a56ce34b2b190
https://github.com/wolfSSL/wolfssl/releases/tag/v4.3.0-stable
https://github.com/wolfSSL/wolfssl/commit/7e391f0fd57f2ef375b1174d752a56ce34b2b190
https://github.com/wolfSSL/wolfssl/releases/tag/v4.3.0-stable