CVE-2021-3621 – sssd: shell command injection in sssctl

https://notcve.org/view.php?id=CVE-2021-3621

A flaw was found in SSSD, where the sssctl command was vulnerable to shell command injection via the logs-fetch and cache-expire subcommands. This flaw allows an attacker to trick the root user into running a specially crafted sssctl command, such as via sudo, to gain root access. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Se encontró un fallo en SSSD, donde el comando sssctl era vulnerable a la inyección de comandos de shell por medio de los subcomandos logs-fetch y cache-expire. Este fallo permite a un atacante engañar al usuario root para que ejecute un comando sssctl especialmente diseñado, por ejemplo por medio de sudo, para conseguir acceso de root. • https://bugzilla.redhat.com/show_bug.cgi?id=1975142 https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html https://sssd.io/release-notes/sssd-2.6.0.html https://access.redhat.com/security/cve/CVE-2021-3621 • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') •