OpenSSH & lt; = 7.2p1 xauth Command Injection Vulnerability (CVE-2016-3115)

OpenSSH Command Injection Vulnerability (CVE-2016-3115) <= 7.2p1 xauth)
OpenSSH Command Injection Vulnerability (CVE-2016-3115) <= 7.2p1 xauth)

Release date:
Updated on:

Affected Systems:

OpenSSH OpenSSH 〈 7.1p2

Description:

CVE (CAN) ID: CVE-2016-3115

OpenSSH is an open-source implementation of the SSH protocol.

OpenSSH <= 7.2p1 has the xauth command injection vulnerability, which can bypass forced-command and/bin/false.

<* Source: tintinweb
*>

Suggestion:

For more information about OpenSSH, see the following links:

Install and configure OpenSSH in Ubuntu Server 13.10

Install OpenSSH remotely on Ubuntu

Solve the latency problem during remote login through OpenSSH

Offline installation of OpenSSH in Ubuntu 12.10

OpenSSH upgrade steps and precautions

Solutions for failures of common OpenSSH users

General thread: OpenSSH key management, Part 1 Understanding RSA/DSA authentication

Install OpenSSH and configure the sftp lock directory for RedHat

Vendor patch:

OpenSSH
-------
The vendor has released a patch to fix this security problem. Please download it from the vendor's homepage:

[1] http://www.openssh.com/
[2] https://github.com/openssh/openssh-portable/blob/5a0fcb77287342e2fc2ba1cee79b6af108973dc2/session.c#L1388
[3] https://github.com/openssh/openssh-portable/blob/19bcf2ea2d17413f2d9730dd2a19575ff86b9b6a/clientloop.c#L376
[4] http://linux.die.net/man/1/xauth
[5] http://www.openssh.com/txt/x11fwd.adv

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