diff --git a/docs/CHANGELOG.asciidoc b/docs/CHANGELOG.asciidoc index 4c7a57de5e50f..65ea4482e4c8b 100644 --- a/docs/CHANGELOG.asciidoc +++ b/docs/CHANGELOG.asciidoc @@ -112,6 +112,28 @@ You must upgrade to 6.8.10. If you are unable to upgrade, set `metrics.enabled:f [[release-notes-6.8.9]] == {kib} 6.8.9 +[float] +[[security-update-6.8.9]] +=== Security updates +* In 6.7.0 to 6.8.8, the Upgrade Assistant contains a prototype pollution flaw. An authenticated attacker with +privileges to write to the {kib} index can insert data that could cause {kib} to execute arbitrary code. This +could lead to an attacker executing code with the permissions of the {kib} process on the host system, CVE-2020-7012. ++ +By default, the Upgrade Assistant flaw is mitigated in all {kib} instances accessed through {ess}. ++ +For all other installations, you must upgrade to 6.8.9. If you are unable to upgrade, disable the Upgrade Assistant in your kibana.yml file: + +** In 6.7.0 and 6.7.1, set `upgrade_assistant.enabled:false` +** In 6.7.2 and later, set `xpack.upgrade_assistant_enabled:false` + +* In 6.8.9 and earlier, TSVB contains a prototype pollution flaw. Authenticated attackers with privileges to create +TSVB visualizations can insert data that could cause {kib} to execute arbitrary code. This +could lead to an attacker executing code with the permissions of the {kib} process on the host system, CVE-2020-7013. ++ +By default, the Upgrade Assistant flaw is mitigated in all {kib} instances accessed through {ess}. ++ +For all other installations, you must upgrade to 6.8.9. If you are unable to upgrade, set `metrics.enabled:false` in your kibana.yml file to disable TSVB. + [float] [[enhancement-6.8.9]] === Enhancement