Debian: DSA-3959-1: libgcrypt20 security update

    Date29 Aug 2017
    CategoryDebian
    71
    Posted ByLinuxSecurity Advisories
    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.
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-3959-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    August 29, 2017                       https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    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: This email address is being protected from spambots. You need JavaScript enabled to view it.
    
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