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Home » Security Advisories» Mandrake » OpenVPN denial of service

OpenVPN denial of service

Two Denial of Service vulnerabilities exist in OpenVPN. The first allows a malicious or compromised server to execute arbitrary code on the client. The second DoS can occur if when in TCP server mode, OpenVPN received an error on accept(2) and the resulting exception handler causes a segfault.

  • Vendor: Mandrake
  • Vendor ID: MDKSA-2005:206
  • Date: November 08, 2005


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Mandriva Linux Security Advisory MDKSA-2005:206
http://www.mandriva.com/security/
_______________________________________________________________________

Package : openvpn
Date : November 8, 2005
Affected: Multi Network Firewall 2.0
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Problem Description:

Two Denial of Service vulnerabilities exist in OpenVPN. The first
allows a malicious or compromised server to execute arbitrary code
on the client (CVE-2005-3393). The second DoS can occur if when in
TCP server mode, OpenVPN received an error on accept(2) and the
resulting exception handler causes a segfault (CVE-2005-3409).

The updated packages have been patched to correct these problems.
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References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3393
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3409
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Updated Packages:

Multi Network Firewall 2.0:
6d05d03341ef7c99bd0c044ac14383c7 mnf/2.0/RPMS/openvpn-2.0.1-0.2.M20mdk.i586.rpm
8882e7500e1fb8a255f5f50885042608 mnf/2.0/SRPMS/openvpn-2.0.1-0.2.M20mdk.src.rpm
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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

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