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ISC BIND 9 Unspecified Packet Processing Remote Denial of Service Vulnerability
I recently had a routine can you help our business partner type call from a client. Their business partner could receive email from them, but could not send email to them.
After a bit of digging in the SMTP header of a failed note, it turned out that the business partner was running a very old version of QMAIL, which has a problem with ESMTP and DNS responses larger than 512 bytes. My client (the destination for the email) had recently gone to an email scanning service, so the total return on an MX record request was well over 1.5kb.
So far, not so exciting, you say - patch the server and be done with it! So why am I writing this up on
This is where it gets interesting. I called the business partner, and their verbatim response was Gee, I don't know. Applying that patch will involve taking the mail server down, our CEO won't approve that. Is there some other way to do this?
Wait, what? Did I hear that right? Let me check my watch - what century is this again? This is a patch from 2007 for goodness sake! I can see needing to follow a change control procedure, schedule an outage, maybe for after-hours, but they are an application development shop, not the Department of Defense! If they're running a mail system that hasn't been patched in 4 years, chances are that someone else already owns them, and they've got bigger problems than just this.
Anyway, after a frank and honest (and tactful, though that part was a bit more difficult) discussion, they did apply the needed patch, along with a truckload of other system updates that had been delayed since forever.
I've encountered a few situations where it makes some snse for system admins to defer patching for extended periods of time:
Servers that support military personnel in active operations are often mandated by policy as frozen. In our current global environment, these freeze periods can extend into months and years.
Servers that support long-range space exploration missions will often end up running operating systems that are no longer supported, on hardware that has been end-of-lifed years ago, or on hardware or OS's that were one-shot custom efforts. In cases like this, the hardware is generally air-gapped or otherwise isolated from sources of attack.
Some servers in support-challenged situations might also be frozen for specified periods of time - if I remember correctly, the servers in some of the Antarctic missions (really, no pun!) are in this category. (If I'm mistaken on this example, I know that sysadmin for those systems is a reader, please correct me!)

So the question I have for our readers is: What situations or applications have you seen that might defer patches and updates for an extended periods of time? Did you consider those reasons or policies to be legitimate? Did you come up with a compromise or workaround to get patches applied, or did you have to follow policy and not apply updates? Did this end up with a system compromise, and if so, did the policy protect the system administrator, or did they end up taking the blame anyway?
I'm really looking forward to feedback from our readers on this, please use the contact form to let us know what you've seen!

Rob VandenBrink Metafore (c) SANS Internet Storm Center. Creative Commons Attribution-Noncommercial 3.0 United States License.
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Name: Venkat Prabhala
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Raul Siles

Founder and Senior Security Analyst with Taddong (c) SANS Internet Storm Center. Creative Commons Attribution-Noncommercial 3.0 United States License.

Infosecurity Europe Joins Forces with Infosecurity Magazine & Online News Site ...
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Destiny Media Player '.m3u' File Remote Stack Buffer Overflow Vulnerability
As you already know, recently gaming companies have been the target of different attacks and compromises. It seems this time the target has been Riot Games, owners of the League of Legendsgame. Still not a lot of details are known about this breach (it seems that the North America servers were affected, and the chat system), but some information is leaking through the forums:

@Riot / Ymir -- NA Servers got hacked:
Your Credit Card Information Is More Than Likely Secure :

Thanks Lee for the heads up.
Users can see some weird behavior when they leave the game, such as random notifications on the client ( and messages about a group called (League of)NoS, and links to something like www.freeriotpoints... or Free riot points are the in-game currency. The websites try to install a keylogger.
The common end-user recommendations apply, such as keeping an eye on any related transactions with the account and personal data provided to the target gaming company, changing the user profile password to a new and different one (do not reuse passwords) now and once the breach is contained, in-depth cleanup if you visited the websites with the keylogger, and waiting for more details to really confirm when the breach occurred and what user information was really exposed.
Keep an eye on it as well as the other breaches of the week, where once again, personal information might be exposed: Dropbox and Apple survey server.

Raul Siles

Founder and Senior Security Analyst with Taddong (c) SANS Internet Storm Center. Creative Commons Attribution-Noncommercial 3.0 United States License.
If you follow SANS Application Security blog (aka as the SANSApplication Security Street Fighter blog) you know about an initiative focused on helping developers to understand security while having fun. Security challenges are a very didactic tool for this specific purpose.
The Spot the Vuln blog (by Brett Harding Billy Rios) ...uses code snippets from open source applications to demonstrate vulnerabilities in real world web applications. Every Monday morning (8:00am PST) a vulnerable code snippet is posted. Take a look at the vulnerable code and try to identify where the security vulnerability is. Every Friday (8:00am PST), a solution is posted so you can check your answers. Each exercise is designed to last between 5 and 10 minutes. Do it while you drink your morning coffee and you will be on your way to writing more secure applications.
What about including these weekly challenges in your software security program, so that developers, development managers, and QA staff can test their source code analysis skills and enjoy security by solving them? This week challenge is about... Imagination.
Most challenges up to now have covered different programming languages (PHP, Java, JavaScript, ActionScript)and multiple security vulnerabilities (XSS, SQLi, LDAPi, RFI/LFI, CRLFi, redirections...).

Raul Siles

Founder and Senior Security Analyst with Taddong (c) SANS Internet Storm Center. Creative Commons Attribution-Noncommercial 3.0 United States License.
The Ruckus Wireless ZoneFlex Smart WiFi system is designed to be a stable, easy to manage and highly secure wireless networking solution for the enterprise. The heart of the system is the ZoneDirector controller, which can communicate with up to 500 ZoneFlex access points.
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