1. Ubuntu Security Notices
  2. USN-5527-2

USN-5527-2: Checkmk vulnerabilities

Publication date

20 July 2022

Overview

Several security issues were fixed in Checkmk.

Releases

Packages

  • check-mk - general purpose nagios-plugin for retrieving data

Details

USN-5527-1 fixed vulnerabilities in Checkmk. This update provides the
corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that Checkmk incorrectly handled authentication. An attacker
could possibly use this issue to cause a race condition leading to information
disclosure. (CVE-2017-14955)

It was discovered that Checkmk incorrectly handled certain inputs. An attacker
could use these cross-site scripting issues to inject arbitrary html or
javascript code to obtain sensitive information including user information,
session cookies and valid credentials. (CVE-2017-9781, CVE-2021-36563,
CVE-2021-40906, CVE-2022-24565)

USN-5527-1 fixed vulnerabilities in Checkmk. This update provides the
corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that Checkmk incorrectly handled authentication. An attacker
could possibly use this issue to cause a race condition leading to information
disclosure. (CVE-2017-14955)

It was discovered that Checkmk incorrectly handled certain inputs. An attacker
could use these cross-site scripting issues to inject arbitrary html or
javascript code to obtain sensitive information including user information,
session cookies and valid credentials. (CVE-2017-9781, CVE-2021-36563,
CVE-2021-40906, CVE-2022-24565)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
16.04 xenial check-mk-multisite –  1.2.6p12-1ubuntu0.16.04.1+esm1  
check-mk-server –  1.2.6p12-1ubuntu0.16.04.1+esm1  
check-mk-livestatus –  1.2.6p12-1ubuntu0.16.04.1+esm1  

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References

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