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AUSCERT External Security Bulletin Redistribution
ESB-2019.1916
USN-3995: Keepalived vulnerability
29 May 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: keepalived
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-19115
Reference: ESB-2019.0670
ESB-2019.0049
ESB-2018.3664.2
Original Bulletin:
https://usn.ubuntu.com/3995-1/
https://usn.ubuntu.com/3995-2/
Comment: This bulletin contains two (2) Ubuntu security advisories.
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USN-3995-1: Keepalived vulnerability
28 May 2019
keepalived vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 18.10
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
Keepalived could be made to crash or run programs if it received specially
crafted network traffic.
Software Description
o keepalived - Failover and monitoring daemon for LVS clusters
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 18.10
keepalived - 1:1.3.9-1ubuntu1.1
Ubuntu 18.04 LTS
keepalived - 1:1.3.9-1ubuntu0.18.04.2
Ubuntu 16.04 LTS
keepalived - 1:1.2.24-1ubuntu0.16.04.2
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
o CVE-2018-19115
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USN-3995-2: Keepalived vulnerability
28 May 2019
keepalived vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 14.04 ESM
o Ubuntu 12.04 ESM
Summary
Keepalived could be made to crash or run programs if it received specially
crafted network traffic.
Software Description
o 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
o USN-3995-1
o CVE-2018-19115
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