CVE-2020-25657

A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 60%
VendorProductVersion
m2crypto_projectm2crypto
*
redhatvirtualization
4.0
redhatenterprise_linux
6.0
redhatenterprise_linux
7.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
m2crypto
bullseye
no-dsa
buster
no-dsa
stretch
no-dsa
bookworm
0.38.0-4
fixed
sid
0.42.0-2
fixed
trixie
0.42.0-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
m2crypto
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
impish
ignored
hirsute
ignored
groovy
ignored
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
needs-triage
Common Weakness Enumeration
References
https://bugzilla.redhat.com/show_bug.cgi?id=1889823
https://bugzilla.redhat.com/show_bug.cgi?id=1889823