CVE-2016-3115
Published: 22 March 2016
Multiple CRLF injection vulnerabilities in session.c in sshd in OpenSSH before 7.2p2 allow remote authenticated users to bypass intended shell-command restrictions via crafted X11 forwarding data, related to the (1) do_authenticated1 and (2) session_x11_req functions.
Notes
| Author | Note |
|---|---|
| sbeattie | with X forwarding enabled, could bypass ssh account restrictions |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
openssh Launchpad, Ubuntu, Debian |
precise |
Released
(1:5.9p1-5ubuntu1.9)
|
| trusty |
Released
(1:6.6p1-2ubuntu2.7)
|
|
| upstream |
Released
(7.2p2)
|
|
| wily |
Released
(1:6.9p1-2ubuntu0.2)
|
|
| xenial |
Not vulnerable
(1:7.2p2-4)
|
|
| yakkety |
Not vulnerable
(1:7.2p2-5)
|
|
| zesty |
Not vulnerable
(1:7.2p2-5)
|
|
|
Patches: upstream: https://anongit.mindrot.org/openssh.git/commit/?h=V_7_2&id=9d47b8d3f50c3a6282896df8274147e3b9a38c56 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.4 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Changed |
| Confidentiality | Low |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |