This bug was fixed in the package gnupg - 1.4.11-3ubuntu2.9
---------------
gnupg (1.4.11-3ubuntu2.9) precise-security; urgency=medium
* Screen responses from keyservers (LP: #1409117)
- d/p/0001-Screen-keyserver-responses.dpatch
- d/p/0002-Make-screening-of-keyserver-result-work-with-multi-k.dpatch
- d/p/0003-Add-kbnode_t-for-easier-backporting.dpatch
- d/p/0004-gpg-Fix-regression-due-to-the-keyserver-import-filte.dpatch
* Fix large key size regression from CVE-2014-5270 changes (LP: #1371766)
- d/p/Add-build-and-runtime-support-for-larger-RSA-key.dpatch
- debian/rules: build with --enable-large-secmem
* SECURITY UPDATE: sidechannel attack on Elgamal
- debian/patches/CVE-2014-3591.dpatch: use ciphertext blinding in
cipher/elgamal.c.
- CVE-2014-3591
* SECURITY UPDATE: sidechannel attack via timing variations in mpi_powm
- debian/patches/CVE-2015-0837.dpatch: avoid timing variations in
include/mpi.h, mpi/mpi-pow.c, mpi/mpiutil.c.
- CVE-2015-0837
* SECURITY UPDATE: invalid memory read via invalid keyring
- debian/patches/CVE-2015-1606.dpatch: skip all packets not allowed in
a keyring in g10/keyring.c.
- CVE-2015-1606
* SECURITY UPDATE: memcpy with overlapping ranges
- debian/patches/CVE-2015-1607.dpatch: use inline functions to convert
buffer data to scalars in g10/apdu.c, g10/app-openpgp.c,
g10/build-packet.c, g10/ccid-driver.c, g10/getkey.c, g10/keygen.c,
g10/keyid.c, g10/misc.c, g10/parse-packet.c, g10/tdbio.c,
g10/trustdb.c, include/host2net.h.
- CVE-2015-1607
-- Marc Deslauriers <[email protected]> Fri, 27 Mar 2015 08:24:00
-0400
** Changed in: gnupg (Ubuntu Precise)
Status: Confirmed => Fix Released
** Changed in: gnupg2 (Ubuntu Precise)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1409117
Title:
GPG does not verify keys received when using --recv-keys leaving
communicaiton with key servers vulnerable to MITM
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