In this post, I would like to share XSS attack using IE's XSS filter. This issue was fixed in the December patch by Microsoft. (CVE-2015-6144 / CVE-2015-6176)
I spoke about this topics in the Japanese info-sec conference called CODE BLUE. You can find my name here. In my presentation, I talked about only the concept and I didn't touch details of attack techniques because it was not fixed at that time.
Today, I can finally release hidden slides! Yeah!
The real X-XSS-Nightmare slides is the following.
Some attack vectors which I have reported are not fixed yet. So, I had to remove some slides :p
You can reproduce some PoC from this page:
http://l0.cm/xxn/
I hope you will enjoy it!
Some attack vectors which I have reported are not fixed yet. So, I had to remove some slides :p
You can reproduce some PoC from this page:
http://l0.cm/xxn/
I hope you will enjoy it!
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The article discusses how attackers exploited weaknesses in Internet Explorer's XSS filter to perform cross-site scripting (XSS) attacks, demonstrating the importance of secure browser implementations and timely security patches. According to your DOCX, topics such as XSS, web application security, vulnerability assessment, and cyber attacks fall under Cyber Security rather than Information Security.
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DeleteInternet Explorer's XSS filter vulnerability (CVE-2015-6144 / CVE-2015-6176) demonstrated how browser security mechanisms themselves could be exploited to perform cross-site scripting attacks under specific conditions. Understanding these vulnerabilities helps developers appreciate the importance of secure coding practices, browser security, input validation, and timely application of security updates to protect web applications from client-side threats.
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ReplyDeleteGreat insights on XSS vulnerabilities! It's crucial to stay updated on security patches like those from Microsoft. As we discuss these technical issues, I can't help but think of how game developers, like those behind Snow rider , must also prioritize security to protect user data. It’s fascinating how different fields intersect with cybersecurity. Looking forward to seeing your hidden slides!
ReplyDeleteInteresting read! It's fascinating to see how XSS filters, meant to protect users, can themselves become vulnerabilities. It's like trying to secure your house and accidentally leaving the back door unlocked. Makes you wonder about all the potential attack vectors that are still out there, lurking. Reminds me of trying to nail a particularly tricky level in friday night funkin - you think you've got it, then BAM! Unexpected vulnerability. Thanks for sharing the insights!
ReplyDeleteAh, the good ol' XSS filter drama! It's like watching a suspense thriller only to find out it was all resolved in the latest patch, but I still want those hidden slides! Check out this nifty resource for more info on similar issues. I Want to Love You
ReplyDeleteX-XSS-Nightmare sounds like a horror film title! I guess the real nightmares are when security flaws aren't patched. By the way, if you need a fun distraction afterwards, check out this football game! football bro
ReplyDeleteSo we finally get to see those secret slides, huh? I hope they’re more thrilling than some of the games I've played lately! Speaking of thrills, here's something fun to try while you wait! Funny Shooter
ReplyDeleteInteresting find! The "X-XSS-Nightmare" sounds like something straight out of Fnaf security system gone wrong. Seriously though, releasing those slides now that the patch is out is great for education. Have you considered demonstrating different attack vectors, perhaps using a vulnerable VM? Understanding how these bypasses work is crucial for preventing future vulnerabilities and strengthening security. More examples would be helpful.
ReplyDeleteThanks for sharing this detailed insight on XSS vulnerabilities. I once encountered a similar issue while developing a web app, where IE's filters didn't catch some malicious scripts, leading to unexpected behavior. It made me realize the importance of layered security measures. For those dealing with front-end security, tools like Monkey Mart offer handy resources and community support to stay updated on such threats. It’s great to see these vulnerabilities being openly discussed and fixed.
ReplyDeleteThe intricacies of XSS vulnerabilities can be unsettling. A well-structured approach to tackling these challenges ensures robust web applications. I recall a time when I ran into a similar situation while crafting a web app. The Slope Game was unexpectedly useful in teaching users about security risks, as IE's filters failed to block certain malicious scripts. It highlighted to me the need for comprehensive security measures. Resources like Monkey Mart are incredibly valuable for developers to stay informed and enhance their security posture.
ReplyDeleteI remember a time when I faced a similar dilemma; while debugging an application, the Slice Master of the problem revealed vulnerabilities that could be easily exploited. Such experiences underscore the importance of staying updated on security patches.
ReplyDeleteThis is fascinating stuff! Thanks for sharing the slides now that it's patched. It's amazing how you can chain seemingly small browser quirks into a full-blown exploit. It reminds me of the creativity you see in some Geometry Dash levels, where players use game engine bugs in clever ways to create impossible-looking effects. Truly a nightmare for defenders, but great work on the find!
ReplyDeleteIt kind of reminds me of playing doodle baseball. You think you've got the timing down, swing, and...strike! It's frustrating, but you learn something new with each attempt. Just like with security, you keep practicing, analyzing, and eventually, you connect and hit that home run. Thanks for the knowledge!
ReplyDeleteThis is fascinating! It’s amazing how much hidden knowledge there is out there about XSS attacks. If you're looking for ways to engage with your team while tackling security concepts, you might find this resource helpful for some fun activities! Ice Breaker Games
ReplyDeleteThe slides really help clarify the concept behind X‑XSS‑Nightmare, and it’s eye‑opening to see how defensive mechanisms mcdvoice can sometimes be turned into vectors themselves. Great work, and thanks for making the full presentation available now!
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ReplyDeleteXSS filter bypasses that exploit the filter itself are the most elegant category of web vulnerabilities. The irony of a protection mechanism becoming the attack surface never gets old. Makes me think about how any complex system, whether browser security or finding a reliable hvac repair service, has failure modes hiding in the assumptions.
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ReplyDeleteGreat breakdown of the X-XSS-Nightmare techniques! It's fascinating how XSS filters can be bypassed. For anyone looking to prototype game assets inspired by this research, I highly recommend checking out AI Sprite Generator for creating consistent pixel art sprites.
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