USN-5527-2: Checkmk vulnerabilities

20 July 2022

Several security issues were fixed in Checkmk.

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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)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 16.04

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

References

Related notices

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