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AUSCERT External Security Bulletin Redistribution
22 August 2017
AusCERT Security Bulletin Summary
Operating System: Ubuntu
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2017-11185
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running strongswan check for an updated version of the software for
their operating system.
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USN-3397-1: strongSwan vulnerability
Ubuntu Security Notice USN-3397-1
21st August, 2017
A security issue affects these releases of Ubuntu and its derivatives:
Ubuntu 16.04 LTS
Ubuntu 14.04 LTS
strongSwan could be made to crash or hang if it received specially crafted network traffic.
strongswan - IPsec VPN solution
It was discovered that strongSwan incorrectly handled verifying
specific RSA signatures. A remote attacker could use this issue
to cause strongSwan to crash, resulting in a denial of service.
The problem can be corrected by updating your system to the following package version:
Ubuntu 16.04 LTS:
Ubuntu 14.04 LTS:
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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