Free and open-source vulnerability scanner
Mageni eases for you the vulnerability scanning, assessment, and management process. It is free and open-source.
Install NowAvailable for macOS, Windows, and Linux
Debian LTS Advisory ([SECURITY] [DLA 986-1] zookeeper security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
It was discovered that Zookeeper, a service for maintaining configuration information, didn't restrict access to the computationally expensive wchp/wchc commands which could result in denial of service by elevated CPU consumption. This update disables those two commands by default. The new configuration option '4lw.commands.whitelist' can be used to whitelist commands selectively (and the full set of commands can be restored with '*')
Affected Software
Affected Software
zookeeper on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For Debian 7 'Wheezy', these problems have been fixed in version 3.4.5+dfsg-2+deb7u1. We recommend that you upgrade your zookeeper packages.