Tag Archives: vulners.com

Great OpenVAS news: delay in plugin feed will be dropped, new GVM-Tools for remote management released

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Jan Oliver Wagner, CEO of Greenbone and OpenVAS Community leader sent recently several messages to community email list with the great news.

First of all, Greenbone decided to drop two weeks delay in a free plugin feed, that was implemented in June 2017 and made some OpenVAS users pretty nervous.

I wrote about it in “GSM Community Edition and lagging OpenVAS Plugin Feed“. The good thing is that, it has increased interest in NASL scripting among OpenVAS users. I also made some steps in this way in “Adding third party nasl plugins to OpenVAS“. I don’t now why Greenbone finally decided to drop this delay, but I am very glad for this decision. Wise move!

The feed will stay delayed until September 4th, 2017. To demonstrate the current state I used some data from Vulners.com collections. Let’s see the nasl vulnerability detection plugins for CentOS in Nessus and OpenVAS. I know that Windows would be much more clear, but Microsoft released latest MS17-023 bulletin in March, so now there is no much difference there.

CentOS Nessus Openvas 2 week delay

As you can see, no OpenVAS plugins since 2017-08-16, literally two weeks. And I hope this will change very soon.

Don’t forget that NVT will be called now GCF (Greenbone Community Feed) and some advanced enterprise-level checks will be now released only in paid feed.

Another good news is the recent release of open source GVM-Tools for controlling OpenVAS remotelly. It will replace old console client openvas-cli (omp). Let’s try to download and install it on Debian host with installed OpenVAS (see “Installing OpenVAS 9 from the sources“).

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What’s inside Vulners.com database and when were security objects updated last time

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As I already wrote earlier, the main advantage of Vulners.com, in my opinion, is openness. An open system allows you to look under the hood, make sure that everything works fine and ask developers uncomfortable questions why there were no updates for a long time for some types of security objects.

You can do this by using the https://vulners.com/api/v3/search/stats/ request, that I already mentioned in “Downloading entire Vulners.com database in 5 minutes”

First of all, let’s look at the security objects. This will give us an understanding of Vulners.com basis.

Vulners objects

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Carbon Blacking your sensitive data it’s what the agents normally do

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But usually without such consequences. In this situation with Carbon Black, I am most interested in the actual reasons of all this media noise. From what point business as usual becomes a scandal. Ok, when you see Carbon Black customer’s private files in public access at Virus Total it’s a 100% epic fail. But what about other options.

Carbon Black and DirectDefense Illustration from investigation by DirectDefense 

  1. Agent makes file analysis by himself on user’s host. It’s probably ok. Some paranoid person, like me, may say that it’s possible that data may leak during the update process, like in case of M.E.Doc. But it probably can be detected it in traffic somehow.
  2. Agent sends file to the vendor’s cloud for further analysis in some private multiscanner. Vendor will have copy of your private data. What if this data will leak? Are you sure that vendor will bear responsibility for this?
  3. Agent sends file to vendor’s cloud, vendor than sends it to some third-party for analysis. Are you sure vendors that you use doesn’t do this? How can you investigate this? What will be your next actions if you figure out that they do it without your permission?
  4. Agent sends file to the vendor’s cloud, vendor then sends it to some third-party for analysis, third-party opens access to this file for a wide range of people.

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Downloading entire Vulners.com database in 5 minutes

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Today I once again would like to talk about Vulners.com and why, in my opinion, it is the best vulnerability database that exist nowadays and a real game-changer.

The main thing is transparency. Using Vulners you not only can search for security content (see “Vulners – Google for hacker“), but download freely all available content from the database for your own offline analysis. And more than this, you can even see how Vulners actually works and evaluate how fresh and full the content is.

Vulners collections

Why you may need to download full security content database? For example, you may want to create something like vulnerability quadrants.

Vulnerability Quadrant

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Petya the Great and why *they* don’t patch vulnerabilities

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I really like this. Just imagine. Quiet, routine, everyday Vulnerability Management process in organizations: scanning-patching, scanning-patching, scanning-patching… And then. Suddenly! PEEETYYA!!!

And at very same moment everything changes. People from different companies start to communicate with each other actively, reverse this new malware, share the data, write and share tools for detection and recovery. Security professional is a friend, a brother and a source of useful information for security professional. Real movement! Real community! =)

Petya ransomware

For example, my friends from Vulners.com created pretty popular gist about Petya (petrWrap, notPetya, GoldenEye) and updated in real time for several hours.

Vulners Petya gist

My former colleagues from Positive Technologies released detailed technical review of this ransomware (in Russian) few hours since the outbreak started, at 01:00 am . They also found a local kill switch, and probably were the first one. Simultaneously with Amit Serper from Cybereason.

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Vulners Cloud Agents for Vulnerability Management

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A very good news! Vulners Team is ready to present complete functionality for vulnerability audit. And it’s not just an Audit API that you have to use somehow in your own scripts, but an enterprise ready product, like agent-based vulnerability scanning in Qualys and Tenable.

IP Summary

You can try it for free. Let’s see how to do it. For example we have a CentOS 7 server and we want to see vulnerabilities of this host in Vulners.

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getsploit from Vulners.com

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Kirill Isox Ermakov, the founder of Vulners, has recently presented a new open-source tool for searching and downloading exploits – getsploit.

Let’s say we want to pentest some WordPress blog. For example, this website avleonov.com. We can get WordPress version simply using curl:

$ curl -s https://avleonov.com | grep "generator"
<meta name="generator" content="WordPress 4.7.1" />

Ok, let’s get some sploits using this version:

$ sudo apt-get install git
$ git clone https://github.com/vulnersCom/getsploit
Cloning into 'getsploit'...
remote: Counting objects: 32, done.
remote: Compressing objects: 100% (21/21), done.
remote: Total 32 (delta 13), reused 30 (delta 11), pack-reused 0
Unpacking objects: 100% (32/32), done.
Checking connectivity... done.
$ cd getsploit/
$ ./getsploit.py "title:WordPress AND title:4.7.1"

getsploit

As you can see on the screen shot, getsploit makes a search request to vulners.com: bulletinFamily:exploit AND title:WordPress AND title:4.7.1 and matches objects in Immunity Canvas, DSquare Exploit Pack, Exploit-DB, Metasploit, Packet Storm, Malware exploit database, SAINTexploit™, seebug.org, Vulnerability Lab, 0day.today and Zero Science Lab.

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