USN-3339-2: OpenVPN vulnerability

Ubuntu Security Notice USN-3339-2

7th August, 2017

openvpn vulnerability

A security issue affects these releases of Ubuntu and its
derivatives:

  • Ubuntu 12.04 LTS

Summary

Several security issues were fixed in OpenVPN.

Software description

  • openvpn
    – virtual private network software

Details

USN-3339-1 fixed several issues in OpenVPN. This update
provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

Guido Vranken discovered that OpenVPN incorrectly handled an HTTP proxy
with NTLM authentication. A remote attacker could use this issue to cause
OpenVPN clients to crash, resulting in a denial of service, or possibly
expose sensitive memory contents. (CVE-2017-7520)

Update instructions

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

Ubuntu 12.04 LTS:
openvpn

2.2.1-8ubuntu1.5

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2017-7520


Source From: ubuntu.com.
Original article title: USN-3339-2: OpenVPN vulnerability.
This full article can be read at: USN-3339-2: OpenVPN vulnerability.

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