CVE-2019-3463
Published: 6 February 2019
Insufficient sanitization of arguments 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.
Notes
Author | Note |
---|---|
sbeattie | when fixing bionic and cosmic, note regression introduced in included fix (debian bug #921655) |
Priority
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References
- https://tracker.debian.org/news/1026713/accepted-rssh-234-5deb9u2-source-amd64-into-stable-embargoed-stable/
- https://salsa.debian.org/debian/rssh/commit/3536b6d8e77ece7d66215fe1d08cf633d6b1c97b (regression fix)
- https://ubuntu.com/security/notices/USN-3946-1
- https://www.cve.org/CVERecord?id=CVE-2019-3463
- NVD
- Launchpad
- Debian