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[SECURITY] [DSA 3959-1] libgcrypt20 security update

Posted on 29 August 2017
Debian Security Advisory

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Debian Security Advisory DSA-3959-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
August 29, 2017 https://www.debian.org/security/faq
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Package : libgcrypt20
CVE ID : CVE-2017-0379
Debian Bug : 873383

Daniel Genkin, Luke Valenta and Yuval Yarom discovered that Libgcrypt
is prone to a local side-channel attack against the ECDH encryption with
Curve25519, allowing recovery of the private key.

See https://eprint.iacr.org/2017/806 for details.

For the stable distribution (stretch), this problem has been fixed in
version 1.7.6-2+deb9u2.

For the unstable distribution (sid), this problem has been fixed in
version 1.7.9-1.

We recommend that you upgrade your libgcrypt20 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

 

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