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AUSCERT External Security Bulletin Redistribution
12 May 2017
AusCERT Security Bulletin Summary
Operating System: Ubuntu
Impact/Access: Denial of Service -- Existing Account
CVE Names: CVE-2017-7479 CVE-2017-7478
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running openvpn check for an updated version of the software for
their operating system.
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Ubuntu Security Notice USN-3284-1
May 11, 2017
A security issue affects these releases of Ubuntu and its derivatives:
- - Ubuntu 17.04
Several security issues were fixed in OpenVPN.
- - openvpn: virtual private network software
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
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)
The problem can be corrected by updating your system to the following
In general, a standard system update will make all the necessary changes.
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