Re: [SquirrelMail-Security] [oss-security] CVE Request for Horde and Squirrelmail

[Paul Lesniewski <paul () squirrelmail org>]

Hello all,

> > Is there a CVE number available for the two 0-days exposed during Hack In
> > The Box Dubai 2010 ?
> >
> > Though the exploits were not given during HITB (?), some friends have
> > recently shown me that they found how both products (Squirrelmail and
> > Horde) might be abused to be transformed, so that they become some kind
> > of nmap scanner (banner grab, port scan, etc). It helps at discovering a
> > remote DMZ, internal LAN, etc, by using those webmails as evil internal
> > nmap proxies.
> >
> > More info available on the slides of the corporate hackers who found the
> > 0-days :
> > http://conference.hitb.org/hitbsecconf2010dxb/materials/D1%20-%20Laurent%20Oudot%20-%20Improving%20the%20Stealthiness%20of%20Web%20Hacking.pdf
> > -> Squirrelmail: page 69 (post auth vuln)
> > -> Horde: page 74 (pre auth vuln)
>
> Here goes, there isn't a lot of data on these.
>
> For Squirrelmail:
>
> Here are some important notes from the slide:
>        * Default plugin <mail_fetch>, emulates POP3 fetcher with fsockopen()
>          PHP functions, Post Authentication only
>            - No verification on IP / PORTS
>        * You can transform SquirrelMail as a kind of Nmap scanner
>
>        This has been assigned TEHTRI-SA-2010-009 by the discoverer.
>
>        The danger is that this attack could be used to bypass a firewall.
>
> Let's use CVE-2010-1637 for Squirrelmail.

Sorry for the delay.  A fix for this issue is now available in the
SquirrelMail source repository.  A new stable version (1.4.21) with
this fix will be released in the next week or two.  Links to the
patches if you need them now are:

Development version (1.5.2):
http://squirrelmail.svn.sourceforge.net/squirrelmail/?rev=13950&view=rev
Stable version (1.4.21):
http://squirrelmail.svn.sourceforge.net/squirrelmail/?rev=13951&view=rev


-- 
Paul Lesniewski
SquirrelMail Team
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