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Ubuntu 14.10 2430-1 Critical: OpenVPN Denial Of Service Impact

ubuntu
Calendar Grey December 2, 2014
Dist Ubuntu Esm H88
A critical vulnerability in OpenVPN on Ubuntu can lead to server crashes when subjected to certain traffic patterns; ensure you apply the latest updates for safety.
OpenVPN could be made to crash if it received specially crafted network traffic.

Summary

OpenVPN could be made to crash if it received specially crafted network

traffic.

Software Description:

- openvpn: virtual private network software

Details:

Dragana Damjanovic discovered that OpenVPN incorrectly handled certain

control channel packets. An authenticated attacker could use this issue to

cause an OpenVPN server to crash, resulting in a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu openvpn

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.10:
  openvpn                         2.3.2-9ubuntu1.1

Ubuntu 14.04 LTS:
  openvpn                         2.3.2-7ubuntu3.1

Ubuntu 12.04 LTS:
  openvpn                         2.2.1-8ubuntu1.4

In general, a standard system update will make all the necessary changes.

References

CVE-2014-8104

Severity
critical
Lowest
Low
Medium
High
Critical

December 02, 2014

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu openvpn

Package Information

https://launchpad.net/ubuntu/+source/openvpn/2.3.2-9ubuntu1.1
https://launchpad.net/ubuntu/+source/openvpn/2.3.2-7ubuntu3.1
https://launchpad.net/ubuntu/+source/openvpn/2.2.1-8ubuntu1.4

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