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Mandriva Linux Security Advisory 2015-154

Mandriva Linux Security Advisory 2015-154
Posted Mar 30, 2015
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2015-154 - Updated gnupg, gnupg2 and libgcrypt packages fix security GnuPG versions before 1.4.17 and 2.0.24 are vulnerable to a denial of service which can be caused by garbled compressed data packets which may put gpg into an infinite loop. The libgcrypt library before version 1.5.4 is vulnerable to an ELGAMAL side-channel attack. GnuPG before 1.4.19 is vulnerable to a side-channel attack which can potentially lead to an information leak. GnuPG before 1.4.19 is vulnerable to a side-channel attack on data-dependent timing variations in modular exponentiation, which can potentially lead to an information leak. The gnupg and gnupg2 package has been patched to correct these issues. GnuPG2 is vulnerable to these issues through the libgcrypt library. The issues were fixed in libgcrypt 1.6.3. The libgcrypt package in Mandriva, at version 1.5.4, was only vulnerable to the CVE-2014-3591 issue. It has also been patched to correct this issue.

tags | advisory, denial of service
systems | linux, mandriva
advisories | CVE-2014-3591, CVE-2014-4617, CVE-2014-5270, CVE-2015-0837
SHA-256 | 867cc5c461189e5765485dc6b4a2f63d57c6e6d920cb79fec12513b4629f0ba2

Mandriva Linux Security Advisory 2015-154

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

_______________________________________________________________________

Mandriva Linux Security Advisory MDVSA-2015:154
http://www.mandriva.com/en/support/security/
_______________________________________________________________________

Package : gnupg
Date : March 29, 2015
Affected: Business Server 2.0
_______________________________________________________________________

Problem Description:

Updated gnupg, gnupg2 and libgcrypt packages fix security
vulnerabilities:

GnuPG versions before 1.4.17 and 2.0.24 are vulnerable to a denial
of service which can be caused by garbled compressed data packets
which may put gpg into an infinite loop (CVE-2014-4617).

The libgcrypt library before version 1.5.4 is vulnerable to an ELGAMAL
side-channel attack (CVE-2014-5270).

GnuPG before 1.4.19 is vulnerable to a side-channel attack which can
potentially lead to an information leak (CVE-2014-3591).

GnuPG before 1.4.19 is vulnerable to a side-channel attack on
data-dependent timing variations in modular exponentiation, which
can potentially lead to an information leak (CVE-2015-0837).

The gnupg and gnupg2 package has been patched to correct these issues.

GnuPG2 is vulnerable to these issues through the libgcrypt library.
The issues were fixed in libgcrypt 1.6.3. The libgcrypt package in
Mandriva, at version 1.5.4, was only vulnerable to the CVE-2014-3591
issue. It has also been patched to correct this issue.
_______________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3591
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4617
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-5270
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0837
http://advisories.mageia.org/MGASA-2014-0365.html
http://advisories.mageia.org/MGASA-2015-0104.html
http://advisories.mageia.org/MGASA-2014-0276.html
_______________________________________________________________________

Updated Packages:

Mandriva Business Server 2/X86_64:
a1f0d486301a8da6084b6986b069a60a mbs2/x86_64/gnupg-1.4.16-2.1.mbs2.x86_64.rpm
b902c66b91d7a5ecc1c93d580a2028a3 mbs2/x86_64/gnupg2-2.0.22-4.1.mbs2.x86_64.rpm
0d393d04f70b58c5692b2c28e5c62cc3 mbs2/x86_64/lib64gcrypt11-1.5.4-1.mbs2.x86_64.rpm
8ed5b1f7f83c843fbe0d3aa439417b06 mbs2/x86_64/lib64gcrypt-devel-1.5.4-1.mbs2.x86_64.rpm
6fc7d8af6e5cee8e6079b58de0508bf5 mbs2/SRPMS/gnupg-1.4.16-2.1.mbs2.src.rpm
932cd673c4fa7ab22f6e02b6d47f9ed3 mbs2/SRPMS/gnupg2-2.0.22-4.1.mbs2.src.rpm
ff815ad77f30a8c5acedc7915e752b75 mbs2/SRPMS/libgcrypt-1.5.4-1.mbs2.src.rpm
_______________________________________________________________________

To upgrade automatically use MandrivaUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.

All packages are signed by Mandriva for security. You can obtain the
GPG public key of the Mandriva Security Team by executing:

gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

You can view other update advisories for Mandriva Linux at:

http://www.mandriva.com/en/support/security/advisories/

If you want to report vulnerabilities, please contact

security_(at)_mandriva.com
_______________________________________________________________________

Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
<security*mandriva.com>
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Version: GnuPG v1.4.12 (GNU/Linux)

iD8DBQFVGA6YmqjQ0CJFipgRAu+LAJoDDubVaFYa6y+cOp0VGnPGlcmvzACeL6G/
NFmh/HHpyUFY5iu7MI6yRfc=
=FTng
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