CVE-2016-8671

NameCVE-2016-8671
DescriptionThe pstm_exptmod function in MatrixSSL 3.8.6 and earlier does not properly perform modular exponentiation, which might allow remote attackers to predict the secret key via unspecified vectors. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-6887.
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 (attack range: remote)

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
matrixsslsource(unstable)(not affected)

Notes

- matrixssl <not-affected> (Incomplete fix for CVE-2016-6887 not applied)
https://blog.fuzzing-project.org/54-Update-on-MatrixSSL-miscalculation-incomplete-fix-for-CVE-2016-6887.html

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