USN-3284-1: OpenVPN vulnerabilities
Ubuntu Security Notice USN-3284-1
11th May, 2017
openvpn vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 17.04
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)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 17.04:
-
openvpn
2.4.0-4ubuntu1.2
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.
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