<div dir="ltr"><div>Replying to myself but I just wanted to make sure I didn't lull anyone into a false sense of security as I hadn't actually _tried_ updating VyOS. Even with an update there is no non-vulnerable bash package for VyOS using the VyOS repository and since vbash is integral (it's how all the router commands are executed) I would be concerned for those with internet-facing VyOS deployments.<br><br></div><div>Filtering off ssh would be a very good idea if it wasn't done already....<br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Sep 25, 2014 at 9:06 PM, Nathan Gardiner <span dir="ltr"><<a href="mailto:ngardiner@gmail.com" target="_blank">ngardiner@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>What's the particular concern with Debian based devices? Debian pushed bash 4.2+dfsg-0.1+deb7u1 for wheezy 14 hours ago and any device which uses the Debian repositories would pick it up with a dist-upgrade/specific package upgrade. Proxmox VE 3.1 hosts not only have the Debian repository but also have inbuilt package update functionality in the GUI which makes it quite easy to update.<br><br></div><div>Openwrt uses ash by default and requires bash to be installed explicitly, VyOS 1.0.4 "vbash" shell I just tested to be vulnerable without an update:<br><br>vyos@r03:~$ show version<br>Version: VyOS 1.0.4<br>Description: VyOS 1.0.4 (hydrogen)<br><br>vyos@r03:~$ env x='() { :;}; echo vulnerable' bash -c "echo this is a test"<br>vulnerable<br>this is a test<span class="HOEnZb"><font color="#888888"><br></font></span></div><span class="HOEnZb"><font color="#888888"><div><br><br></div>Nathan</font></span></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Sep 25, 2014 at 8:43 PM, Ben Cooper <span dir="ltr"><<a href="mailto:ben@zeno.io" target="_blank">ben@zeno.io</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">isnt VYoS *nix based? Debian even? <div><br></div><div>Also those new Ubiqiti things are Debian based as well I think.</div></div><div class="gmail_extra"><div><div><br><div class="gmail_quote">On Thu, Sep 25, 2014 at 10:06 PM, George Fong <span dir="ltr"><<a href="mailto:george@lateralplains.com" target="_blank">george@lateralplains.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><u></u>
<div link="#0000ff">
I've so far had no problems updating CENTos servers with a simple update of bash.<br>
<br>
I'm not sure how accurate this test is but the befores and afters seem to be consistent:<br>
<br>
<a href="https://community.qualys.com/blogs/securitylabs/2014/09/24/bash-remote-code-execution-vulnerability-cve-2014-6271" target="_blank">https://community.qualys.com/blogs/securitylabs/2014/09/24/bash-remote-code-execution-vulnerability-cve-2014-6271</a><br>
<br>
Right now I am most worried about Linux based border routers and VM hosts such as Proxmox. The latter is Debian based.<br>
<br>
Cheers<br>
g.<div><div><br>
<br>
<br>
On Thu, 2014-09-25 at 16:32 +1000, Pinkerton, Eric (AU Sydney) wrote:
<blockquote type="CITE">Heads up, shellshock botnet payloads are already hitting honeypots..<br>
<br>
<br>
<br>
<a href="https://gist.github.com/anonymous/929d622f3b36b00c0be1" target="_blank">https://gist.github.com/anonymous/929d622f3b36b00c0be1</a><br>
<br>
<br>
<br>
<br>
<br>
</blockquote>
<blockquote type="CITE"><b>From:</b> AusNOG [mailto:<a href="mailto:ausnog-bounces@lists.ausnog.net" target="_blank">ausnog-bounces@lists.ausnog.net</a>]
<b>On Behalf Of </b>Alex Samad - Yieldbroker<br>
<b>Sent:</b> Thursday, 25 September 2014 2:59 PM<br>
<b>To:</b> Kush, Nishchal<br>
<b>Cc:</b> <a href="mailto:ausnog@lists.ausnog.net" target="_blank">ausnog@lists.ausnog.net</a><br>
<b>Subject:</b> Re: [AusNOG] bash bug !<br>
<br>
<br>
</blockquote>
<blockquote type="CITE"> <br>
<br>
I believe the initial released patch was incomplete<br>
<br>
<a href="https://bugzilla.redhat.com/show_bug.cgi?id=1146319" target="_blank">https://bugzilla.redhat.com/show_bug.cgi?id=1146319</a><br>
<br>
<br>
<br>
<br>
<br>
A<br>
<br>
<br>
<br>
</blockquote>
<blockquote type="CITE"><b>From:</b> Kush, Nishchal [<a href="mailto:kush@kush.com.fj" target="_blank">mailto:kush@kush.com.fj</a>]
<br>
<b>Sent:</b> Thursday, 25 September 2014 3:03 PM<br>
<b>To:</b> Alex Samad - Yieldbroker<br>
<b>Cc:</b> <a href="mailto:ausnog@lists.ausnog.net" target="_blank">ausnog@lists.ausnog.net</a><br>
<b>Subject:</b> Re: [AusNOG] bash bug !<br>
<br>
<br>
</blockquote>
<blockquote type="CITE"> <br>
<br>
Hi <br>
<br>
</blockquote>
<blockquote type="CITE"> <br>
<br>
<br>
</blockquote>
<blockquote type="CITE">Most Linux distributions have released patches. Unfortunately you still need to recompile your own for Apple’s Mac OS X<br>
<br>
<br>
</blockquote>
<blockquote type="CITE"> <br>
<br>
<br>
</blockquote>
<blockquote type="CITE">Cheers<br>
<br>
<br>
</blockquote>
<blockquote type="CITE">--<br>
Kush, Nishchal<br>
<a href="mailto:kush@kush.com.fj" target="_blank">kush@kush.com.fj</a><br>
<br>
<br>
<br>
<br>
<br>
</blockquote>
<blockquote type="CITE"> <br>
<br>
</blockquote>
<blockquote type="CITE">On 25 Sep 2014, at 2:40 pm, Alex Samad - Yieldbroker <<a href="mailto:Alex.Samad@yieldbroker.com" target="_blank">Alex.Samad@yieldbroker.com</a>> wrote:<br>
<br>
<br>
</blockquote>
<blockquote type="CITE"> <br>
<br>
<a href="http://www.smh.com.au/it-pro/security-it/shell-shock-bash-bug-labelled-largest-ever-to-hit-the-internet-20140925-10ltx1.html" target="_blank">http://www.smh.com.au/it-pro/security-it/shell-shock-bash-bug-labelled-largest-ever-to-hit-the-internet-20140925-10ltx1.html</a><br>
<br>
<a href="https://www.us-cert.gov/ncas/current-activity/2014/09/24/Bourne-Again-Shell-Bash-Remote-Code-Execution-Vulnerability" target="_blank">https://www.us-cert.gov/ncas/current-activity/2014/09/24/Bourne-Again-Shell-Bash-Remote-Code-Execution-Vulnerability</a><br>
<br>
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<blockquote type="CITE"> <br>
<br>
<br>
</blockquote>
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<br>
<br>
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