Debian: DSA-2730-1: gnupg security update

    Date29 Jul 2013
    CategoryDebian
    53
    Posted ByLinuxSecurity Advisories
    Yarom and Falkner discovered that RSA secret keys could be leaked via a side channel attack, where a malicious local user could obtain private key information from another user on the system.
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-2730-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    http://www.debian.org/security/                           Thijs Kinkhorst
    July 29, 2013                          http://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : gnupg
    Vulnerability  : information leak
    Problem type   : local
    Debian-specific: no
    CVE ID         : CVE-2013-4242
    Debian Bug     : 717880
    
    Yarom and Falkner discovered that RSA secret keys could be leaked via
    a side channel attack, where a malicious local user could obtain private
    key information from another user on the system.
    
    This update fixes this issue for the 1.4 series of GnuPG. GnuPG 2.x is
    affected through its use of the libgcrypt11 library, a fix for which
    will be published in DSA 2731.
    
    For the oldstable distribution (squeeze), this problem has been fixed in
    version 1.4.10-4+squeeze2.
    
    For the stable distribution (wheezy), this problem has been fixed in
    version 1.4.12-7+deb7u1.
    
    For the unstable distribution (sid), this problem has been fixed in
    version 1.4.14-1.
    
    We recommend that you upgrade your gnupg packages.
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: http://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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