[ubuntu/trusty-security] libgcrypt11 1.5.3-2ubuntu4.5 (Accepted)

Marc Deslauriers marc.deslauriers at canonical.com
Mon Jul 3 18:32:10 UTC 2017

libgcrypt11 (1.5.3-2ubuntu4.5) trusty-security; urgency=medium

  * SECURITY UPDATE: full RSA key recovery via side-channel attack
    - debian/patches/CVE-2017-7526-1.patch: simplify loop in mpi/mpi-pow.c.
    - debian/patches/CVE-2017-7526-2.patch: use same computation for square
      and multiply in mpi/mpi-pow.c.
    - debian/patches/CVE-2017-7526-3.patch: add exponent blinding in
    - debian/patches/CVE-2017-7526-4.patch: add free to cipher/rsa.c.
    - debian/patches/CVE-2017-7526-5.patch: add free to cipher/rsa.c.
    - CVE-2017-7526

Date: 2017-07-03 13:15:15.348554+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
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