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Ubuntu 17.04 USN-3284-1 Moderate OpenVPN Denial Of Service

ubuntu
Calendar Grey May 11, 2017
Dist Ubuntu Esm H88
Numerous vulnerabilities addressed in OpenVPN for Ubuntu 17.04. Upgrade now to avoid possible operational interruptions.
Several security issues were fixed in OpenVPN.

Summary

Several security issues were fixed in OpenVPN.

Software Description:

- openvpn: virtual private network software

Details:

It was discovered that OpenVPN improperly triggered an assert when

receiving an oversized control packet in some situations. A remote

attacker could use this to cause a denial of service (server or client

crash). (CVE-2017-7478)

It was discovered that OpenVPN improperly triggered an assert when packet

ids rolled over. An authenticated remote attacker could use this to cause a

denial of service (application crash). (CVE-2017-7479)

Topics%20covered

Topics Covered

security advisory moderate denial of service ubuntu openvpn

Update Instructions

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

Ubuntu 17.04:
  openvpn                         2.4.0-4ubuntu1.2

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

References

https://ubuntu.com/security/notices/USN-3284-1

CVE-2017-7478, CVE-2017-7479

May 11, 2017

Topics%20covered

Topics Covered

security advisory moderate denial of service ubuntu openvpn

Package Information

https://launchpad.net/ubuntu/+source/openvpn/2.4.0-4ubuntu1.2

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