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Mandriva Linux Security Advisory 2013-120

Mandriva Linux Security Advisory 2013-120
Posted Apr 11, 2013
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2013-120 - 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. Note: any ElGamal keys that have previously been generated by PyCrypto should be regenerated after installing this update.

tags | advisory
systems | linux, mandriva
advisories | CVE-2012-2417
SHA-256 | 6c5ced1cb976616b44a9b19f8d6c624360fe034c06be3fdeeb2c1cd174c8a0f9

Mandriva Linux Security Advisory 2013-120

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

_______________________________________________________________________

Mandriva Linux Security Advisory MDVSA-2013:120
http://www.mandriva.com/en/support/security/
_______________________________________________________________________

Package : python-pycrypto
Date : April 10, 2013
Affected: Business Server 1.0
_______________________________________________________________________

Problem Description:

Updated python-pycrypto package fixes security vulnerability:

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).

Note: any ElGamal keys that have previously been generated by PyCrypto
should be regenerated after installing this update.
_______________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2417
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0194
_______________________________________________________________________

Updated Packages:

Mandriva Business Server 1/X86_64:
1e4f298ab96e08555e5314c8fa73d050 mbs1/x86_64/python-pycrypto-2.3-3.1.mbs1.x86_64.rpm
bd9a308fc11c45024117d57eed49d4ae mbs1/SRPMS/python-pycrypto-2.3-3.1.mbs1.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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