CVE-2017-0379

NameCVE-2017-0379
DescriptionLibgcrypt before 1.8.1 does not properly consider Curve25519 side-channel attacks, which makes it easier for attackers to discover a secret key, related to cipher/ecc.c and mpi/ec.c.
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)
ReferencesDSA-3959-1
NVD severitymedium
Debian Bugs873383

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libgcrypt20 (PTS)stretch (security), stretch1.7.6-2+deb9u3fixed
buster1.8.4-5fixed
bullseye1.8.7-3fixed
sid1.8.7-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libgcrypt11source(unstable)(not affected)
libgcrypt20sourcejessie(not affected)
libgcrypt20sourcestretch1.7.6-2+deb9u2DSA-3959-1
libgcrypt20source(unstable)1.7.9-1873383

Notes

[jessie] - libgcrypt20 <not-affected> (Vulnerable code not present, no Curve25519 support)
- libgcrypt11 <not-affected> (Vulnerable code not present, no Curve25519 support)
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commitdiff;h=da780c8183cccc8f533c8ace8211ac2cb2bdee7b
https://eprint.iacr.org/2017/806

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