Vulnerability CVE-2019-3463
Published: 2019-02-06

Description:
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.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Pizzashack -> RSSH 
Debian -> Debian linux 

 References:
http://www.securityfocus.com/bid/106839
https://lists.debian.org/debian-lts-announce/2019/02/msg00007.html
https://tracker.debian.org/news/1026713/accepted-rssh-234-5deb9u2-source-amd64-into-stable-embargoed-stable/
https://usn.ubuntu.com/3946-1/
https://www.debian.org/security/2019/dsa-4382
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