Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date: Thu, 9 Mar 2017 10:55:12 -0600
From: Tyler Hicks <tyhicks@...onical.com>
To: oss-security@...ts.openwall.com
Cc: St├ęphane Graber <stgraber@...ntu.com>
Subject: LXC: CVE-2017-5985: lxc-user-nic didn't verify network namespace
 ownership

Jann Horn discovered that the lxc-user-nic program could be tricked into
operating on a network namespace over which the caller did not hold
privilege.

The behavior didn't follow what was documented in the lxc-user-nic(1)
man page:

 It ensures that the calling user is privileged over the network
 namespace to which the interface will be attached.

This issue is CVE-2017-5985.

https://lists.linuxcontainers.org/pipermail/lxc-users/2017-March/012925.html
https://launchpad.net/bugs/1654676
https://github.com/lxc/lxc/commit/16af238036a5464ae8f2420ed3af214f0de875f9

Tyler




Download attachment "signature.asc" of type "application/pgp-signature" (802 bytes)

Powered by blists - more mailing lists

Your e-mail address:

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.