CVE-2020-25658

NameCVE-2020-25658
DescriptionIt was found that python-rsa is vulnerable to Bleichenbacher timing attacks. An attacker can use this flaw via the RSA decryption API to decrypt parts of the cipher text encrypted with RSA.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
Debian Bugs974685

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
python-rsa (PTS)stretch3.4.2-1vulnerable
buster4.0-2vulnerable
bullseye, sid4.0-4vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
python-rsasource(unstable)(unfixed)974685

Notes

[buster] - python-rsa <no-dsa> (Minor issue)
[stretch] - python-rsa <no-dsa> (Minor issue)
https://github.com/sybrenstuvel/python-rsa/issues/165

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