Debian Security Advisory

DSA-885-1 openvpn -- several vulnerabilities

Date Reported:
07 Nov 2005
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 336751, Bug 337334.
In the Bugtraq database (at SecurityFocus): BugTraq ID 15239.
In Mitre's CVE dictionary: CVE-2005-3393, CVE-2005-3409.
More information:

Several vulnerabilities have been discovered in OpenVPN, a free virtual private network daemon. The Common Vulnerabilities and Exposures project identifies the following problems:

  • CVE-2005-3393

    A format string vulnerability has been discovered that could allow arbitrary code to be executed on the client.

  • CVE-2005-3409

    A NULL pointer dereferencing has been discovered that could be exploited to crash the service.

The old stable distribution (woody) does not contain openvpn packages.

For the stable distribution (sarge) these problems have been fixed in version 2.0-1sarge2.

For the unstable distribution (sid) these problems have been fixed in version 2.0.5-1.

We recommend that you upgrade your openvpn package.

Fixed in:

Debian GNU/Linux 3.1 (sarge)

Intel IA-32:
Intel IA-64:
Motorola 680x0:
Big endian MIPS:
Little endian MIPS:
IBM S/390:
Sun Sparc:

MD5 checksums of the listed files are available in the original advisory.