CVE-2022-43781 – Bitbucket Environment Variable Remote Command Injection

https://notcve.org/view.php?id=CVE-2022-43781

There is a command injection vulnerability using environment variables in Bitbucket Server and Data Center. An attacker with permission to control their username can exploit this issue to execute arbitrary code on the system. This vulnerability can be unauthenticated if the Bitbucket Server and Data Center instance has enabled “Allow public signup”. Existe una vulnerabilidad de inyección de comandos mediante variables de entorno en Bitbucket Server y Data Center. Un atacante con permiso para controlar su nombre de usuario puede aprovechar este problema para ejecutar código arbitrario en el sistema. • https://confluence.atlassian.com/x/Y4hXRg https://jira.atlassian.com/browse/BSERV-13522 • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') •