OPENVPN VULNERABILITIES

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11th May, 2017

openvpn vulnerabilities

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

Ubuntu 17.04

Summary

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 remoteattacker could use this to cause a denial of service (server or clientcrash). (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)

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

Update instructions

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

Ubuntu 17.04:

openvpn 2.4.0-

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-2017-7478, CVE-2017-7479

Details