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GNUCITIZEN
Information Security Think tank

GNUCITIZEN
  • Well Websecurify Runs on The iPhone
    This is not necessarily news anymore since it was discussed on the Websecurify official blog but we are so excited about it that we could not hold ourselves from posting it here too. The testing engine used in this particular version of Websecurify is optimized to run with the least possible amount of memory. The results of the scanner are as good as those produced by all other Websecurify variants although in some cases it may miss some statistically unlikely types of issues. [...]

  • Stuxnet
    I have been avoiding the topic about Stuxnet for quite some time, mainly because there were many others who spent the time to take the virus apart. However, here is a video, which I find rather amusing: Wether this is the real deal or simply fear mongering, I simply don’t know. It is all speculations at the moment. [...]

  • Having fun with BeEF, the browser exploitation framework
    We haven’t featured any guest bloggers in a while, but we’re glad to be featuring Chirstian Frichot this month! Christian is a security professional based in Perth, Western Australia. He’s currently working in the finance industry as part of a tight-knit internal team of security consultants doing their best to protect their business and customers from technical threats such as malware or insecure web applications. [...]

  • ColdFusion directory traversal FAQ (CVE-2010-2861)
    A new Adobe hotfix for ColdFusion has been released recently. The vulnerability which was discovered by Richard Brain, was rated as important by Adobe and could affect a large number of Internet-facing web servers. The FAQ bellow is meant to shed some light on this vulnerability so that ColdFusion administrators can understand what they’re up against. [...]

  • 1ST European Edition of HITB Coming Up!
    In case you haven’t heard yet, HITBSecConf is hosting the first European Edition of their conference in Amsterdam during 1st-2nd July ’10. The history of the HITB conferences can be traced back to 2002, the year in which the first ever edition of HITB took place in Malaysia. Since then, HITB has grown to become the biggest technical computer security event in Asia and has extended their presence to the Middle East and now Europe. [...]

  • Hacking Linksys IP Cameras (pt 6)
    This article is a continuation of the following GNUCITIZEN articles: here, here, here, here and here. As we know, there are several ways one could go about hunting for IP cameras on the net. The slowest way would be to portscan random IP addresses for certain ports and programmatically detect if the web interface of a given camera was available on the open ports found. [...]

  • Dnsmap v0.30 is now out!
    After working on dnsmap for a few months whenever time allowed, I decided there were enough additional goodies to make version 0.30 a new public release. Let me just say that a lot of the bugs that have been fixed, and features that have been added to this version would not be possible without the feedback from great folks such as Borys Lacki (www.bothunters.pl), Philipp Winter (7c0.org) and meathive (kinqpinz.info). Thanks guys, your feedback was highly valuable to me. [...]

  • Old-school Remote Command Exec Vulnerabilities on Avaya Intuity
    Remember those old remote command exec vulns where you had a CGI script such as a perl program which would take input from the client to construct command strings that would then be passed to the shell environment? Well, there were tons of those affecting diagnostic scripts available on the web interface of Avaya Intuity Audix LX. These vulnerabilities, although cool, are not critical since you need to be logged into the interface in order to exploit them. [...]

  • Skydive
    What is the best way to spend a quiet, weekend afternoon? – Jump off a perfectly working plane while 10,000 feet in the air. On 5th of July 2009, the GNUCITIZEN team and friends came together to perform a skydiving gig. [...]

  • Free Web Application Security Testing Tool
    Automated Web Application Security Testing tools are in the core of modern penetration testing practices. You cannot rely 100% on the results they produce, without considering seriously their limitations. However, because these tools are so good at picking the low-hanging fruit by employing force and repetition, they still have a place in our arsenal of penetrating testing equipment. These tools are not unfamiliar to modern day penetration testers. [...]

  • Of Sec Cons and Magstripe Gift Cards
    I’ve been meaning to talk about CONFidence and EUSecWest for quite a while, but May was such an intense month for me, that’s hardly left me with any time for other things. I eventually got caught up with other matters, which resulted in me publishing this post about 2 months late. I’ve been researching, pentesting, and preparing two different presentations which I gave at CONFidence in Krakow, and EUSecWest in London. pdp has also been busy presenting at AusCERT2009. [...]

  • CVE-2009-1151: phpMyAdmin Remote Code Execution Proof of Concept
    I couldn’t find any public PoC/exploit for this phpMyAdmin vulnerability, despite it being a serious bug affecting a popular open-source project. I think this vulnerability is a nice reminder that it’s still possible to perform remote command execution these days without relying on SQL injection (i.e.: xp_cmdshell) or a memory corruption bug (i.e.: heap overflow). [...]

  • Hacking Linksys IP Cameras (pt 5)
    This article is a continuation of the following GNUCITIZEN articles: Hacking Linksys IP Cameras (pt 1), Hacking Linksys IP Cameras (pt 2), Hacking Linksys IP Cameras (pt 3), Hacking Linksys IP Cameras (pt 4). Mounting the filesystem on your workstation There are many ways to mount the camera’s filesystem using the firmware binary. In this post, we’ll explain one way to mount firmware version v1.00R24 which is the latest available for the WVC54GCA model. [...]

  • Breaking Into a Home With an iPhone
    This is going to be one of these quick posts which just makes you think what the information security landscape will be like in 5 years. Before I move on with my commentary, here is a video which is essential for you to watch. Got the idea? No? Let me explain. What you see in the video above is an application for the iPhone which gives you detailed characteristics of properties (houses) in USA. [...]

  • Extensions at War
    Oh yes, the digital battlefield is taking unusual shapes. The latest manifestation of cyber warfare is a conflict between the Adblock Plus and the NoScript extensions. The story goes that NoScript used some JavaScript tactics and, of course, some obfuscations in order to cripple the Adblock Plus functionalities. This attack was a response to Adblock Plus blocking NoScript ads which you see when you upgrade the extension, which as you know happens quite regularly, don’t know why. [...]

  • Exploit Sweatshop
    When I was playing/introducing the partial disclosure practice an year and something ago, I did get contacted by numerous dodgy characters willing to buy yet undisclosed vulnerabilities for substantial amount of money. Of course, requests of that nature were kindly ignored. I couldn’t believe that someone was willing to give me so much money for something I virtually spent 2-3 hours maximum to produce. [...]

  • Jeriko Group and Source Code Repository
    Jeriko moved in its own source code repository which you will be able to find here. There is also a discussion group here, if you feel like using it. The version inside the new code repository is very different from the version you’ve seen before. The main difference is that while the old version is basically a collection of scripts, the new version implements its own shell (wrapper around bash) which does the heavily lifting and also introduces some funky programming mechanisms. [...]

  • Hacking Linksys IP Cameras (pt 4)
    This article is a continuation of the following GNUCITIZEN articles, which include an introduction to the topic and also some initial observations: Hacking Linksys IP Cameras (pt 1), Hacking Linksys IP Cameras (pt 2), Hacking Linksys IP Cameras (pt 3). There are two types of vulnerabilities I will be releasing today: disclosure of credentials in client-side source code and multiple XSS. [...]

  • Hacking Linksys IP Cameras (pt 3)
    This article is a continuation of the following GNUCITIZEN articles, which include an introduction to the topic and also some initial observations: Hacking Linksys IP Cameras (pt 1), Hacking Linksys IP Cameras (pt 2). Unlike the previous two vulnerabilities I released, the vulnerabilities I’m releasing in this post are perhaps not so useful to break into the device as you need access to the admin account to exploit them. [...]

  • Hacking Linksys IP Cameras (pt 2)
    This article is a continuation of the following GNUCITIZEN article, which includes an introduction to the topic and also some initial observations: Hacking Linksys IP Cameras (pt 1). Privilege escalation via arbitrary file retrieval The second vulnerability I’ll be releasing is an arbitrary(ish) file retrieval vulnerability. It’s not fully arbitrary because you can only retrieve the contents of files located within the same directory where the vulnerable CGI program is located. [...]

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