Bypassing rssh Restrictions via Insufficient Sanitization of Environment Variables in rsync

Bypassing rssh Restrictions via Insufficient Sanitization of Environment Variables in rsync

CVE-2019-3464 · CRITICAL Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Insufficient sanitization of environment variables passed to rsync can bypass the restrictions imposed by rssh, a restricted shell that should restrict users to perform only rsync operations, resulting in the execution of arbitrary shell commands.

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