Checkmk werks level1 January 2024

checkmk-werks-lvl1@lists.checkmk.com

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231 discussions

[2.3.0] Checkmk Werk 16067 adapted: Fix possible "Internal server error" while saving large formulars

by Checkmk werks level 1

Werk 16067 was adapted. The following is the new Werk, a diff is shown at the end of the message. Title: Fix possible "Internal server error" while saving large formulars Class: fix Compatible: compat Component: multisite Date: 1698237843 Edition: cre Knowledge: doc Level: 1 Version: 2.3.0b1 Werk #15393 already solved this for most users but in rare cases, the formulars were still so big that an "Internal server error" occurred on saving. This change should fix that behaviour even for such cases. ------------------------------------<diff>------------------------------------------- Title: Fix possible "Internal server error" while saving large formulars Class: fix Compatible: compat Component: multisite Date: 1698237843 Edition: cre Knowledge: doc Level: 1 - Version: 2.3.0i1 ? ^ + Version: 2.3.0b1 ? ^ Werk #15393 already solved this for most users but in rare cases, the formulars were still so big that an "Internal server error" occurred on saving. This change should fix that behaviour even for such cases. -

8 months, 1 week

[2.3.0] Checkmk Werk 16037 created: folder_config/host_config: No longer accept non-existent site

by Checkmk werks level 1

[//]: # (werk v2) # folder_config/host_config: No longer accept non-existent site key | value ---------- | --- date | 2023-12-22T08:11:28+00:00 version | 2.3.0b1 class | fix edition | cre component | rest-api level | 1 compatible | yes You can no longer set a non-existent site on folders and hosts. When called with a non-existent site as an attribute the endpoints now return the status code 400.

8 months, 1 week

[2.3.0] Checkmk Werk 16227 created: Disabled automation users could still authenticate

by Checkmk werks level 1

Title: Disabled automation users could still authenticate Class: security Compatible: incomp Component: wato Date: 1702309789 Edition: cre Level: 1 Version: 2.3.0b1 Prior to this Werk an automation user whose password was disabled also described as "disable the login to this account" was still able to authenticate. The information that a user was disabled was not checked for automation users. We found this vulnerability internally. Affected Versions: LI: 2.2.0 LI: 2.1.0 LI: 2.0.0 LI: 1.6.0 LI: 1.5.0 (probably older versions as well) Mitigations: If the need arises to block an automation user one can change the password or remove that user from the system. Vulnerability Management: We have rated the issue with a CVSS Score of 8.8 (High) with the following CVSS vector: <tt>CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</tt>. We assigned CVE-2023-31211 to this vulnerability. Changes: This Werk adds a check for the disabled information. During update you will be warned if a automation user is currently disabled.

8 months, 1 week

[2.3.0] Checkmk Werk 16273 created: Local privilege escalation in agent plugin 'mk_tsm'

by Checkmk werks level 1

Title: Local privilege escalation in agent plugin 'mk_tsm' Class: security Compatible: incomp Component: checks Date: 1702411459 Edition: cre Level: 1 Version: 2.3.0b1 By crafting a malicious command that then shows up in the output of `ps` users of monitored hosts could gain root privileges. This was achieved by exploiting the insufficient quoting when using ksh's `eval` to create the required environment. This issue was found during internal review. ### Affected Versions * 2.2.0 * 2.1.0 * 2.0.0 (EOL) and older ### Mitigations If updating is not possible, disable the Tivoli Storage Manager plugin. ### Vulnerability Management We have rated the issue with a CVSS score of 8.8 (High) with the following CVSS vector: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H` We have assigned `CVE-2023-6735`. ### Changes With this change we no longer use `eval` and fixe the quoting. This prevents variable exports being missinterpreted as commands to execute.

8 months, 1 week

[2.3.0] Checkmk Werk 15838 created: Limit the service description length to 250

by Checkmk werks level 1

[//]: # (werk v2) # Limit the service description length to 250 key | value ---------- | --- date | 2024-01-08T11:56:11+00:00 version | 2.3.0b1 class | feature edition | cre component | wato level | 1 compatible | yes Since this release WATO prevents creation of a service with too long service description.

8 months, 1 week

[2.3.0] Checkmk Werk 16163 created: jar_signature: Prevent privilege escalation to root

by Checkmk werks level 1

Title: jar_signature: Prevent privilege escalation to root Class: security Compatible: incomp Component: checks Date: 1702395666 Edition: cre Level: 3 Version: 2.3.0b1 jar_signature agent plugin (configured by the 'Signatures of certificates in JAR files' bakery rule) was vulnerable to privilege escalation to root by the oracle user. A malicious oracle user could replace the jarsigner binary with another script and put it in the JAVA_HOME directory. The script would be executed by the root user. The jarsigner is now executed by the oracle user, preventing the privilege escalation. This werk is incompatible for users that use the jar_signature plugin. Too avoid risk, users should deploy the new version of the plugin or disable it. This issue was found during internal review. ### Affected Versions * 2.2.0 * 2.1.0 * 2.0.0 (EOL) and older ### Mitigations If updating is not possible, disable the jar_signature plugin. ### Vulnerability Management We have rated the issue with a CVSS score of 8.8 (High) with the following CVSS vector: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H` We have assigned `CVE-2023-6740`. ### Changes The jarsigner binary is now executed by the oracle user.

8 months, 1 week

[2.3.0] Checkmk Werk 16165 created: check_mk_agent: Set LC_ALL before running the agent

by Checkmk werks level 1

[//]: # (werk v2) # check_mk_agent: Set LC_ALL before running the agent key | value ---------- | --- compatible | yes version | 2.3.0b1 date | 2024-01-02T10:09:48+00:00 level | 1 class | fix component | checks edition | cre Previously, Checkmk agents would be run with a preset LC_ALL environment variable if neither C.UTF-8 or C.utf-8 locales were installed. That led to invalid agent output and crashes in section parsing in multiple checks for some of the locales. Linux, AIX, Solaris, FreeBSD and OpenWrt agents were affected. Now, LC_ALL variable is set to C for the described case.

8 months, 1 week

[2.3.0] Checkmk Werk 15717 created: NagVis: Updated to 1.9.40

by Checkmk werks level 1

[//]: # (werk v2) # NagVis: Updated to 1.9.40 key | value ---------- | --- compatible | yes version | 2.3.0b1 date | 2024-01-09T10:43:25+00:00 level | 1 class | fix component | packages edition | cre

8 months, 1 week

[2.3.0] Checkmk Werk 16038 created: SLA tooltip missing UNKN state

by Checkmk werks level 1

[//]: # (werk v2) # SLA tooltip missing UNKN state key | value ---------- | --- date | 2024-01-04T08:28:52+00:00 version | 2.3.0b1 class | fix edition | cee component | multisite level | 1 compatible | yes The SLA tooltip would always show UNKN (0%) even if the state was UNKN. The corresponding value was aggregated as a PEND state. Now the UNKN state is displayed correctly.

8 months, 1 week

[2.3.0] Checkmk Werk 14219 created: Setup: Improved speed of ineffective rule search

by Checkmk werks level 1

Title: Setup: Improved speed of ineffective rule search Class: feature Compatible: compat Component: wato Date: 1702891112 Edition: cre Level: 1 Version: 2.3.0b1

8 months, 1 week

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Checkmk werks level1 January 2024