CVE-2016-6298

NameCVE-2016-6298
DescriptionThe _Rsa15 class in the RSA 1.5 algorithm implementation in jwa.py in jwcrypto before 0.3.2 lacks the Random Filling protection mechanism, which makes it easier for remote attackers to obtain cleartext data via a Million Message Attack (MMA).
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)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
python-jwcrypto (PTS)stretch0.3.2-1fixed
bullseye, sid0.6.0-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
python-jwcryptosource(unstable)0.3.2-1

Notes

https://github.com/latchset/jwcrypto/issues/65
https://github.com/latchset/jwcrypto/pull/66
https://github.com/latchset/jwcrypto/commit/eb5be5bd94c8cae1d7f3ba9801377084d8e5a7ba
Code moved around in git, for 0.3.2 it is in jwe.py

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