Checkmk werks level1 May 2024

checkmk-werks-lvl1@lists.checkmk.com

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549 discussions

[2.3.0] Checkmk Werk 16552 created: Crash on activate changes when re-registering agents

by Checkmk werks level 1

[//]: # (werk v2) # Crash on activate changes when re-registering agents key | value ---------- | --- date | 2024-03-28T15:50:10+00:00 version | 2.3.0b4 class | fix edition | cre component | checks level | 1 compatible | yes When re-registering agents, a call to activate changes could crash with an error message like ``` [Errno 2] No such file or directory: '/omd/sites/<site>/var/agent-receiver/received-outputs/<uuid> ```

3 months, 3 weeks

[2.3.0] Checkmk Werk 16605 created: check_wmi_webservices: fix CurrentConnections monitoring

by Checkmk werks level 1

[//]: # (werk v2) # check_wmi_webservices: fix CurrentConnections monitoring key | value ---------- | --- date | 2024-04-02T06:44:07+00:00 version | 2.3.0b5 class | fix edition | cre component | checks level | 1 compatible | yes The CurrentConnections metric was calculated "per second". We now directly show the number of connections returned by the service.

3 months, 3 weeks

[2.3.0] Checkmk Werk 16180 adapted: Ruleset API: Datamodel changes for Proxy FormSpec

by Checkmk werks level 1

Werk 16180 was adapted. The following is the new Werk, a diff is shown at the end of the message. [//]: # (werk v2) # Ruleset API: Datamodel changes for Proxy FormSpec key | value ---------- | --- date | 2024-03-28T13:45:23+00:00 version | 2.3.0b5 class | feature edition | cre component | checks level | 1 compatible | yes This only affects plugin developers using the new API `cmk.rulesets.v1`. The datamodel for the `Proxy`, `Levels`, `TimePeriod` and `Password` Formspecs is changed. Use the `migrate_to_...` migration function to update your stored configurations to the newer datamodel. ------------------------------------<diff>------------------------------------------- [//]: # (werk v2) # Ruleset API: Datamodel changes for Proxy FormSpec key | value ---------- | --- date | 2024-03-28T13:45:23+00:00 version | 2.3.0b5 class | feature edition | cre component | checks level | 1 compatible | yes - This only affects plugin developers. - The datamodel for the `Proxy` Formspec is changed. + This only affects plugin developers using the new API `cmk.rulesets.v1`. + The datamodel for the `Proxy`, `Levels`, `TimePeriod` and `Password` Formspecs is changed. - Use the `migrate_to_proxy` migration function to update your stored configurations to the newer datamodel. ? ^^^^^ + Use the `migrate_to_...` migration function to update your stored configurations to the newer datamodel. ? ^^^

3 months, 3 weeks

[2.3.0] Checkmk Werk 15516 created: check_cert: New active check for advanced certificate monitoring

by Checkmk werks level 1

[//]: # (werk v2) # check_cert: New active check for advanced certificate monitoring key | value ---------- | --- date | 2024-04-03T13:42:35+00:00 version | 2.3.0b4 class | feature edition | cre component | checks level | 2 compatible | yes The _check_http_ plug-in was previously the only method to monitor certificates out-of-the-box with Checkmk. With the new plug-in Checkmk provides an extensive functionality to monitor certificates. This includes but is not limited to certificates provided by the HTTP protocol. With the new plug-in you can monitor all certificates provided through a TCP connection to encrypt communication. This includes the monitoring of * validity times (max and remaining) * issuer fields * subject fields * encryption algorithm * alternative names * response times * public key algorithm and size * serial number As with the reworked plugin to monitor web services, you are able to configure multiple services within a single rule.

3 months, 3 weeks

[2.3.0] Checkmk Werk 15515 created: check_http: Soft deprecatation of old HTTP monitoring plug-in

by Checkmk werks level 1

[//]: # (werk v2) # check_http: Soft deprecatation of old HTTP monitoring plug-in key | value ---------- | --- date | 2024-04-03T13:15:48+00:00 version | 2.3.0b4 class | feature edition | cre component | checks level | 2 compatible | no The old plug-in is being deprecated in a soft way with this werk. Unlike hard deprecation, the deprecated rule set "Check HTTP service" will remain fully functional. However, new rules should only be created if absolutely necessary, such as when experiencing issues with the new "Check HTTP web service" implementation and needing to roll back to the old one. Please note that the rule set will be hard deprecated in version 2.4.0, meaning that you will no longer be able to create new rules. However, the plug-in itself will remain available as this is a component of the monitoring-plugins collection that comes with Checkmk. Please know us know if you find any features that were present in the old plug-in but are missing in the new one.

3 months, 3 weeks

[2.3.0] Checkmk Werk 15026 created: Disallow python_plugins and lnx_remote_alert_handlers agent config options for users without the "add_or_modify_executables" permission

by Checkmk werks level 1

[//]: # (werk v2) # Disallow python_plugins and lnx_remote_alert_handlers agent config options for users without the "add_or_modify_executables" permission key | value ---------- | --- date | 2024-03-15T10:37:41+00:00 version | 2.3.0b5 class | fix edition | cre component | wato level | 1 compatible | yes Without the "add_or_modify_executables" permission users do not have the right to change any executable run by checkmk, either on the site or via the agent. The agent config options "python_plugins" and "lnx_remote_alert_handlers" have not yet checked for that permission. In the UI "python_plugins" and "lnx_remote_alert_handlers are called "Python agent plugin execution (UNIX)" and "Remote alert handler (Linux)" respectively.

3 months, 3 weeks

[2.3.0] Checkmk Werk 15843 created: mk_oracle(ps1): Follow-up to privilege escalation fix

by Checkmk werks level 1

[//]: # (werk v2) # mk_oracle(ps1): Follow-up to privilege escalation fix key | value ---------- | --- compatible | no version | 2.3.0b5 date | 2024-04-05T11:02:27+00:00 level | 2 class | fix component | checks edition | cre You might be affected by this Werk if you use <tt>mk_oracle</tt> on Windows. Werk <a href="https://checkmk.com/werk/16232">Werk #16232</a> introduced a regression, thereby disrupting Oracle monitoring on Windows. This Werk addresses above mentioned issue that affects versions 2.1.0p41, 2.2.0p24, and 2.3.0b4. Since this release, Oracle monitoring on Windows is fully supported under condition you use an account without administrator rights or the certain executable binaries, <tt>sqlplus.exe</tt>, <tt>tnsping.exe</tt> and, if presented, <tt>crsctl.exe</tt> are write-protected, with the possible exception being the Administrator. If you are unable or prefer not to use an unprivileged account then you may need to adjust permissions for above mentioned binaries: remove <tt>Write</tt>, <tt>Full Control</tt> and <tt>Modify</tt> permissions for any non-Administrator user and group. More information about can be found at <a href="https://checkmk.atlassian.net/wiki/x/AQA1B">here</a>.

3 months, 3 weeks

[2.3.0] Checkmk Werk 16116 created: Fixed association of contacts with hosts/services/contactgroups

by Checkmk werks level 1

[//]: # (werk v2) # Fixed association of contacts with hosts/services/contactgroups key | value ---------- | --- date | 2024-04-05T13:48:37+00:00 version | 2.3.0b5 class | fix edition | cre component | livestatus level | 3 compatible | yes Checkmk 2.3 beta introduced a regression regarding contacts when then Nagios core was used: The association of contacts with hosts, services and contact groups was incorrect. A symptom of this bug were e.g. missing hosts or services in the GUI.

3 months, 3 weeks

[2.3.0] Checkmk Werk 16627 created: kube_persistent_volume_claim: resolve KeyError crash when Volume parameters are configured

by Checkmk werks level 1

[//]: # (werk v2) # kube_persistent_volume_claim: resolve KeyError crash when Volume parameters are configured key | value ---------- | --- date | 2024-04-03T10:30:30+00:00 version | 2.3.0b5 class | fix edition | cre component | checks level | 1 compatible | yes Before this update, configuring 'Volume parameters' in the PVC check plugin led to a crash. This issue arose because the plugin was not designed to process trend size-related levels, which, however, were anticipated by the general filesystem function handler shared among filesystem-related check plugins. To resolve this, the general function has been modified to bypass trend computation when a trend rule is not set, a scenario always applicable to the PVC check plugin.

3 months, 3 weeks

[2.3.0] Checkmk Werk 16618 created: Fix XSS in graph rendering

by Checkmk werks level 1

[//]: # (werk v2) # Fix XSS in graph rendering key | value ---------- | --- date | 2024-04-04T14:24:50+00:00 version | 2.3.0b5 class | security edition | cre component | wato level | 1 compatible | yes Prior to this Werk a service name with html tags lead to cross site scripting in the graph rendering. We found this vulnerability internally. **Affected Versions**: Only 2.3.0 is affected, older versions are NOT affected. **Vulnerability Management**: We have rated the issue with a CVSS Score of 4.6 (Medium) with the following CVSS vector: `CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N`. We assigned CVE-2024-2380 to this vulnerability. **Changes**: This Werk changes the encoding engine to use our customized JSON encoder.

3 months, 3 weeks

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Checkmk werks level1 May 2024