[ubuntu/xenial-security] gnupg 1.4.20-1ubuntu3.3 (Accepted)

[Alex Murray]

gnupg (1.4.20-1ubuntu3.3) xenial-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: fix allocation size for mpi_pow
    - debian/patches/CVE-2017-7526-4.patch: add exponent blinding in
      cipher/rsa.c.
    - debian/patches/CVE-2017-7526-5.patch: allow different build directory
    - CVE-2017-7526

Date: 2018-08-06 01:08:17.468128+00:00
Changed-By: Alex Murray <alex.murray at canonical.com>
https://launchpad.net/ubuntu/+source/gnupg/1.4.20-1ubuntu3.3
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