Ubuntu Security Notice USN-3284-1
11th May, 2017
openvpn vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in OpenVPN.
Software description
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.
References
CVE-2017-7478, CVE-2017-7479
Continue reading...
11th May, 2017
openvpn vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.04
Several security issues were fixed in OpenVPN.
Software description
- 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
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.
References
CVE-2017-7478, CVE-2017-7479
Continue reading...