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Date: Mon, 07 Jun 2010 13:45:49 -0400
From: Tony Roman <roman@...order.com>
To: "Steven M. Christey" <coley@...us.mitre.org>,
Jan Lieskovsky <jlieskov@...hat.com>
CC: oss-security@...ts.openwall.com,
Nahuel Grisolia <nahuel@...sai-sec.com>,
Stefan Esser <stefan.esser@...tioneins.de>,
Cacti Developers <developers@...ti.net>
Subject: Re: CVE Request -- Cacti v0.8.7 -- three security
fixes
The issue in question has been fixed in 0.8.7f release and will be also
including in the 0.8.7g release.
The fix is not in the validation of the vertical label field in the UI
or database, but when the text is used in execution of the rrdtool
command line option for the vertical label.
Please keep all inquiries directed to me.
Thanks,
Tony Roman
Cacti Developer
On 6/7/10 11:07 AM, Larry Adams wrote:
>
>
> On 6/7/2010 10:21 AM, Steven M. Christey wrote:
>>
>> On Tue, 1 Jun 2010, Jan Lieskovsky wrote:
>>
>>>> [C], SQL injection and shell escaping issues reported by Bonsai
>>>> Information Security (http://www.bonsai-sec.com)
>>>> [7]
>>>> http://www.bonsai-sec.com/blog/index.php/using-grep-to-find-0days/
>>>> [8]
>>>> http://www.bonsai-sec.com/en/research/vulnerabilities/cacti-os-command-injection-0105.php
>>>>
>>>>
>>>>
>>>> ...
>>>>
>>
>>> 2, OS command injection issue, CVE-2010-1645 / BONSAI-2010-0105
>>> References: [2]
>>> http://www.bonsai-sec.com/en/research/vulnerabilities/cacti-os-command-injection-0105.php
>>>
>>> Proper patches are the following three: (noticed by Tomas Hoger
>>> && confirmed by Tony Roman, thanks for it!)
>>> [3] http://svn.cacti.net/viewvc?view=rev&revision=5778
>>> [4] http://svn.cacti.net/viewvc?view=rev&revision=5782
>>> [5] http://svn.cacti.net/viewvc?view=rev&revision=5784
>>
>> The BONSAI-2010-0105 references two problems, one for ping.php and
>> another one having to do with a "Vertical Label" in a "Graph Template."
>>
>> I don't see evidence of this vector in the revisions listed above.
>> Does anybody else?
>>
>> (If the "Vertical Label" issue went unpatched, then a separate CVE
>> should probably be assigned to it.)
>>
>> - Steve
>
> Steve,
>
> I just validated that the Vertical Label via the hostname field
> injection is not resolved from a UI perspective in host.php. I have
> not checked lib/rrd.php for proper escaping and will do that shortly.
>
> Generally, we're not as concerned when it comes to components of the
> UI that are not accessible for the guest account. However, I will
> close this loophole today and prior to Cacti 0.8.7g beta. Simply put,
> we should not permit any name there that is not either an IP address
> or something that is conforming (aka hostname or fqdn).
>
> I toyed with the idea of a gethostbyname validation. However, there
> are cases in Cacti where we have hosts that are represented more as
> Objects and not as physical hosts (aka no avail check), so it will
> have to be a hostname that is syntactically correct. I'll get you a
> commit # once it's in.
>
> Regards,
>
> Larry Adams
> Lead Cacti Developer
>
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