========================================================================== Ubuntu Security Notice USN-3995-2 May 28, 2019
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 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3995-2 https://usn.ubuntu.com/usn/usn-3995-1 CVE-2018-19115
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