by Bill Sempf
28. July 2019 13:25
It's 1994 again! Encryption is on the table for law enforcement. Be ready for entry in the back door soon.
https://www.theregister.co.uk/2019/07/23/us_encryption_backdoor/
If you want to read about the LAST time we tried this, I recommend Matt Curtin's book Brute Force.
https://www.amazon.com/Brute-Force-Cracking-Encryption-Standard/dp/1441918957
Very good analysis of the XML eXternal Entity (XXE) attack.
https://www.synack.com/blog/a-deep-dive-into-xxe-injection/
Gitlab's Global Developer Report has some interesting security insights.
https://learn.gitlab.com/c/2019-global-develope
If you write mobile apps, and your vulnerability assessment mentions "a third party malicious app could exploit this" pay attention to it. It's really happening in the wild.
https://www.infosecurity-magazine.com/news/uptick-in-ransomware-mobile/
That's the news!
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by Bill Sempf
21. July 2019 19:11
Awesome paper presented in France covering XXE - really good research. Worth a read.
https://www.gosecure.net/blog/2019/07/16/automating-local-dtd-discovery-for-xxe-exploitation
Those who have taken my training know how I talk about protecting the soft meaty middle - well, Slack is proving that user accounts are the gift that keeps on giving. They reset passwords - from a breach 4 years ago.
https://thehackernews.com/2019/07/slack-password-data-breach.html
https://www.theregister.co.uk/2019/07/19/2015_database_hack_slack/
Really neat tool for hooking executables in Windows. I tried it, it's super neat.
https://github.com/everdox/InfinityHook
Here's an I-wish-it-was-an-OWASP-project example. Tons of research on Command injection.
https://hackersonlineclub.com/command-injection-cheatsheet/
That's the news folks. Stay safe out there.
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by Bill Sempf
14. July 2019 10:35
A wonderful human being put together a list of resources about hacking mainframe systems, worth a look if your organization is run on the big metal.
https://github.com/samanL33T/Awesome-Mainframe-Hacking/
Apple had a not-good-very-bad week. First, the OpenIF Foundation dinged the Mac implementation of "Sign in with Apple"
https://nakedsecurity.sophos.com/2019/07/08/privacy-and-security-risks-as-sign-in-with-apple-tweaks-open-id-protocol/
Then it was discovered that all of the magic of Zoom's conference software is due to a web server installed on MacOS, which you can't remove! (Heeeey!)
https://www.engadget.com/2019/07/09/zoom-will-remove-server-behind-mac-security-hole/?ncid=txtlnkusaolp00000618
Rhino Security released a new version of CloudGoat, an insecure-by-design cloud deployment tool.
https://rhinosecuritylabs.com/aws/cloudgoat-walkthrough-rce_web_app/
One of my favorite attacks against file uploads that take zip files is the zipbomb. Well, someone made a really nice one.
https://www.vice.com/en_us/article/597vzx/the-most-clever-zip-bomb-ever-made-explodes-a-46mb-file-to-45-petabytes
There is a flaw in the Android update system that allows attackers to modify updates on the fly. Oh, and it is being exploited in the wild.
https://thehackernews.com/2017/12/android-malware-signature.html?m=1
That's the news, folks. Have a safe week!
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by Bill Sempf
7. July 2019 14:47
Good article on using fuzzers as productivity tools
https://kripken.github.io/blog/binaryen/2019/06/11/fuzz-reduce-productivity.html
Reminds me of a great talk by the remarkable Craig Stuntz, worth a read.
https://speakerdeck.com/craigstuntz/high-speed-bug-discovery-with-fuzzing
Firefox will automatically trust certificates trusted by your OS
https://thehackernews.com/2019/07/firefox-https-security.html?m=1
In other Firefox news, the UK is up in arms about Secure DNS breaking the Great British Pornwall
https://www.zdnet.com/article/uk-isp-group-names-mozilla-internet-villain-for-supporting-dns-over-https/
Next time I ping your site for not using X-FRAME-OPTIONS on a DNS endpoint, well, HAH I TOLD YOU SO NAAA NAA NAA
https://medium.com/intigriti/gotcha-taking-phishing-to-a-whole-new-level-72eda9e30bef
And that's the news, folks.
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