writeups
hackerone-reports
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| writeups | hackerone-reports | |
|---|---|---|
| 8 | 2 | |
| 122 | 3,182 | |
| 5.7% | - | |
| 6.6 | 6.4 | |
| 18 days ago | about 1 month ago | |
| Python | Python | |
| - | - |
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writeups
- Question about ECDSA
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Reduced Round AES CTR Attacks
See: https://github.com/p4-team/ctf/tree/master/2016-03-12-0ctf/peoples_square and also https://github.com/TFNS/writeups/tree/master/2020-06-05-DefenitCTF/spn (this one is not AES but some toy SPN, but the idea is exactly the same and maybe easier to understand)
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Supersingular Isogeny Key Exchange in Python
Not exactly purely in Python because with sage and also the goal was breaking SIDH, but: https://github.com/TFNS/writeups/tree/master/2020-04-17-PlaidCTF/sidhe
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What are some real-world security issues in cryptography?
I'm not even mentioning big stuff like https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries/ which interestingly enough is actually a vulnerability very similar to what exists in Java since the dawn of time -> https://github.com/openjdk/jdk/blob/master/src/java.base/share/classes/sun/security/provider/DSA.java#L358 (see: https://github.com/TFNS/writeups/tree/master/2020-10-03-TastelessCTF/petition )
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Technical Advisory – Arbitrary Signature Forgery in Stark Bank ECDSA Libraries
The same issue exists in Java JDK for quite a while (see: https://github.com/TFNS/writeups/tree/master/2020-10-03-TastelessCTF/petition ) ;) I suspect there are many more libraries with similar problem.
Seems like the same problem as exists in Java JDK in DSA -> https://github.com/TFNS/writeups/tree/master/2020-10-03-TastelessCTF/petition
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How did this person manage to extract all the RSA prime numbers in this writeup?
Check my writeup https://github.com/TFNS/writeups/tree/master/2021-10-23-ASIS-quals/madras if you need to understand where this come from.
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Using compromised algorithms.
See an example: https://github.com/TFNS/writeups/tree/master/2021-03-13-UTCTF/sleeves
hackerone-reports
- GitHub - reddelexc/hackerone-reports: Top disclosed reports from HackerOne
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XXE (XML External Entity) Attack & Prevention
There was an interesting case on Hackerone where the XMP metadata of a JPG file was getting parsed unsafely. There are many other interesting XXE bugs there as well if you want to take a look.
What are some alternatives?
tweetable-polyglot-png - Pack up to 3MB of data into a tweetable PNG polyglot file.
reconftw - reconFTW is a tool designed to perform automated recon on a target domain by running the best set of tools to perform scanning and finding out vulnerabilities
squarectf - The "code" for squarectf.com
hackthebox - Notes Taken for HTB Machines & InfoSec Community.
svachal - Automate writeup for vulnerable machines.
Exif-Maniac - Post Exploitation Framework via Exif Data in images
cryptofuzz - Fuzzing cryptographic libraries. Magic bug printer go brrrr.
SpringShell - Spring4Shell - Spring Core RCE - CVE-2022-22965
HiddenWave - Hide Your Secret Message in any Wave Audio File.
OWASP-Xenotix-XSS-Exploit-Framework - OWASP Xenotix XSS Exploit Framework is an advanced Cross Site Scripting (XSS) vulnerability detection and exploitation framework.
hackingtool - ALL IN ONE Hacking Tool For Hackers
CVE-2021-40444 - CVE-2021-40444 - Fully Weaponized Microsoft Office Word RCE Exploit