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Mandriva Linux Security Advisory 2012-117

Mandriva Linux Security Advisory 2012-117
Posted Jul 28, 2012
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2012-117 - PyCrypto before 2.6 does not produce appropriate prime numbers when using an ElGamal scheme to generate a key, which reduces the signature space or public key space and makes it easier for attackers to conduct brute force attacks to obtain the private key. The updated packages have been patched to correct this issue.

tags | advisory
systems | linux, mandriva
advisories | CVE-2012-2417
MD5 | b7103dbfa58c3e1bfce9542a1ea1e2d5

Mandriva Linux Security Advisory 2012-117

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

_______________________________________________________________________

Mandriva Linux Security Advisory MDVSA-2012:117
http://www.mandriva.com/security/
_______________________________________________________________________

Package : python-pycrypto
Date : July 27, 2012
Affected: 2011., Enterprise Server 5.0
_______________________________________________________________________

Problem Description:

A vulnerability has been discovered and corrected in python-pycrypto:

PyCrypto before 2.6 does not produce appropriate prime numbers when
using an ElGamal scheme to generate a key, which reduces the signature
space or public key space and makes it easier for attackers to conduct
brute force attacks to obtain the private key (CVE-2012-2417).

The updated packages have been patched to correct this issue.
_______________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2417
_______________________________________________________________________

Updated Packages:

Mandriva Linux 2011:
6172bb25eb289a81b12509bd3ef1d4a9 2011/i586/python-pycrypto-2.3-3.1-mdv2011.0.i586.rpm
4075a2f644f897d1622f141d79c2b18c 2011/SRPMS/python-pycrypto-2.3-3.1.src.rpm

Mandriva Linux 2011/X86_64:
d19fa50bcb90f639a18dcedd65bafc00 2011/x86_64/python-pycrypto-2.3-3.1-mdv2011.0.x86_64.rpm
4075a2f644f897d1622f141d79c2b18c 2011/SRPMS/python-pycrypto-2.3-3.1.src.rpm

Mandriva Enterprise Server 5:
f9d5014592f76e6774fb88e349074b68 mes5/i586/pycrypto-2.0.1-3.3mdvmes5.2.i586.rpm
e833decc6f1f52d25dc72be1bf845bd6 mes5/SRPMS/pycrypto-2.0.1-3.3mdvmes5.2.src.rpm

Mandriva Enterprise Server 5/X86_64:
69e203abd4c4d400031e1fd516c0ff83 mes5/x86_64/pycrypto-2.0.1-3.3mdvmes5.2.x86_64.rpm
e833decc6f1f52d25dc72be1bf845bd6 mes5/SRPMS/pycrypto-2.0.1-3.3mdvmes5.2.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/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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iD8DBQFQEmd6mqjQ0CJFipgRAl5wAKDyfblw/UwKute6LMYjWYhqRGi+qACaAp6v
BWW1ytoYITIBLL4dmg9GRk0=
=h+Ym
-----END PGP SIGNATURE-----

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