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securityvulnsSecurityvulnsSECURITYVULNS:DOC:29453
HistoryJun 05, 2013 - 12:00 a.m.

[ MDVSA-2013:167 ] openvpn

2013-06-0500:00:00
vulners.com
14

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Mandriva Linux Security Advisory MDVSA-2013:167
http://www.mandriva.com/en/support/security/


Package : openvpn
Date : May 27, 2013
Affected: Business Server 1.0, Enterprise Server 5.0


Problem Description:

Updated openvpn package fixes security vulnerability:

OpenVPN 2.3.0 and earlier running in UDP mode are subject to chosen
ciphertext injection due to a non-constant-time HMAC comparison
function. Plaintext recovery may be possible using a padding oracle
attack on the CBC mode cipher implementation of the crypto library,
optimistically at a rate of about one character per 3 hours. PolarSSL
seems vulnerable to such an attack; the vulnerability of OpenSSL has
not been verified or tested (CVE-2013-2061).


References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-2061
https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0153


Updated Packages:

Mandriva Enterprise Server 5:
c3f9d0b84493a7df95b526bf27684644 mes5/i586/openvpn-2.1-0.rc10.2.4mdvmes5.2.i586.rpm
c1808613e341bb1ebcabcebb2ad5fd47 mes5/SRPMS/openvpn-2.1-0.rc10.2.4mdvmes5.2.src.rpm

Mandriva Enterprise Server 5/X86_64:
ff387b293bcba6c126b14431d1bcb7ab mes5/x86_64/openvpn-2.1-0.rc10.2.4mdvmes5.2.x86_64.rpm
c1808613e341bb1ebcabcebb2ad5fd47 mes5/SRPMS/openvpn-2.1-0.rc10.2.4mdvmes5.2.src.rpm

Mandriva Business Server 1/X86_64:
9644de77991bb55ddff9801c7cb8f5a8 mbs1/x86_64/openvpn-2.2.2-6.1.mbs1.x86_64.rpm
b4b073c276bd20929db3bcb2b6e80621 mbs1/SRPMS/openvpn-2.2.2-6.1.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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