USN-3995-2: Keepalived vulnerability
keepalived vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM
Summary
Keepalived could be made to crash or run programs if it received
specially crafted network traffic.
Software Description
- keepalived – Failover and monitoring daemon for LVS clusters
Details
USN-3995-1 fixed a vulnerability in keepalived. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that Keepalived incorrectly handled certain HTTP status
response codes. A remote attacker could use this issue to cause Keepalived
to crash, resulting in a denial of service, or possibly execute arbitrary
code.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 14.04 ESM
- keepalived – 1:1.2.7-1ubuntu1+esm1
- Ubuntu 12.04 ESM
- keepalived – 1:1.2.2-3ubuntu1.2
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
Source: USN-3995-2: Keepalived vulnerability
