CVE-2021-22138
https://notcve.org/view.php?id=CVE-2021-22138
In Logstash versions after 6.4.0 and before 6.8.15 and 7.12.0 a TLS certificate validation flaw was found in the monitoring feature. When specifying a trusted server CA certificate Logstash would not properly verify the certificate returned by the monitoring server. This could result in a man in the middle style attack against the Logstash monitoring data. En Logstash versiones posteriores a 6.4.0 y anteriores a 6.8.15 y 7.12.0, se encontró un fallo de comprobación del certificado TLS en la funcionalidad de monitoreo. Cuando se especifica un certificado CA en un servidor confiable, Logstash no verificaba apropiadamente el certificado devuelto por el servidor de monitoreo. • https://discuss.elastic.co/t/elastic-stack-7-12-0-and-6-8-15-security-update/268125 https://security.netapp.com/advisory/ntap-20210629-0001 • CWE-295: Improper Certificate Validation •
CVE-2019-7620
https://notcve.org/view.php?id=CVE-2019-7620
Logstash versions before 7.4.1 and 6.8.4 contain a denial of service flaw in the Logstash Beats input plugin. An unauthenticated user who is able to connect to the port the Logstash beats input could send a specially crafted network packet that would cause Logstash to stop responding. Logstash versiones anteriores a 7.4.1 y 6.8.4, contienen un fallo de denegación de servicio en el plugin de entrada de Logstash Beats. Un usuario no autenticado que puede ser capaz de conectarse a la entrada de latidos de Logstash podría enviar un paquete de red especialmente diseñado que causaría que Logstash deje de responder. • https://discuss.elastic.co/t/elastic-stack-6-8-4-security-update/204908 https://discuss.elastic.co/t/elastic-stack-7-4-1-security-update/204909 https://www.elastic.co/community/security • CWE-400: Uncontrolled Resource Consumption •