Bug Bytes #206 – Citrix more like Crit-trix amiright?

Bug Bytes is a weekly newsletter curated by members of the bug bounty community. The second series is curated by InsiderPhD. Every week, she keeps us up to date with a comprehensive list of write-ups, tools, tutorials and resources.

This issue covers the week from June 26th – July 2nd.

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Intigriti News

• An XSS through your User-Agent header a thread

• New Video: JWT Authentication Bypass via jwk Header Injection

• Our June Challenge is over! The explanation

From my notebook

1. Reversing Citrix Gateway for XSS and Advisory: Citrix Gateway Open Redirect and XSS (CVE-2023-24488) – You’ve likely already seen this as it’s hit social media over the weekend but just in case you missed it!

2. Scale Your Cloud Infrastructure (Hosting CTFs) – Really interesting look to what goes into running a CTF event!

3. The Power of Bug Bounty Automation with Nenad Zaric – The founder of Trickest talks about workflows, recon and data for bug bounty hunters!

4. Episode 25: 2xMVH & Multi-million dollar hacker Inhibitor181 – There’s some great strategy/how to approach a target information in this episode with Inhibitor181, definitely a must listen!

5. Testing GraphQL APIs | Web Security Academy – Portswigger add some GraphQL labs to their free Web Security Academy

• Bug Bounty Secrets

• 5 Hacking Tools I Can’t Live Without

• Hacker101 CTF – Photo Gallery (Medium) – Live Walkthrough

• Road to Most Valuable Hacker and working while travelling the world

• Stealing OAuth Github Tokens with AWS CodeBuild

• Browser Exploitation Framework(BEEF)

• How Hackers Use netsh.exe For Persistence & Code Execution (Sliver C2)

• The most common vulnerabilities found in Bug Bounty! (shorts)

• MOVEit Transfer Exploitation (my API presentation recording)

• Directory Traversal attacks are scary easy

• Finding Your First API Bug (NahamCon 2023)

• HackTheBox – Pollution

• Hack The Box – Celestial (Medium) – Live Walkthrough

• 302-Self-Hosted 4: The Next Level

• Beware ChatGPT curious: Fleece-ware chabot apps.

• The Evolution of Offensive Security: Insights from Dave Mayer

• UPS smishing, ChatGPT 101, and storing secret files

• The Economics Of Cybersecurity

• Rachel Giacobozzi on the Art of Threat Intelligence Storytelling

• Hacking Past and Present: A Conversation with Moses Frost

• NO. 388 — Context Reflections, Critical Thinking, China’s Decline, and NFC

• Episode 381 – WTF Reddit, APIs and risk

• Email From Bounty Program About (New Target Added) 4-5 min later => P1 for a Auth Bypass….

• I got lucky and won the first place in Meta Bug Bounty Researcher Conference

• I will be taking part in-person LHE event in Las Vegas for the first time after being unable to attend previous LHEs

• I can’t believe people are calling me on Instagram at 2am because they don’t like their triage decision.

• The best time to start bug bounty was 10 years ago. The second best time is now.

• I made a simple but super efficient tool to create these kinds of permutations used for fuzzing.

• Beginner

  • Bug Bounty Hunting — Let’s Simulate 2FA Bypass Techniques

  • OWASP Broken Access Control

  • A User-Friendly Guide to Subdomain Enumeration for Bug Hunting

  • Discovering Company Admin Panels: Effective Methods for Bug Bounty & Ethical Hacking

  • Byte-Sized OSINT Tip: Trufflehog

  • Byte-Sized OSINT Tip: GitHub

  • Exploit WordPress with python (E-W-L-1)

• Intermediate

  • Automating recon using ChatGPT

  • Bug Bounty Hunter — Understanding SAML vulnerabilities (XSW Attacks)

  • Setup an Android Pen Testing Lab with Frida-Tools, Objection, Frida Server, and Bypass SSL Pinning

  • Mobile app security : Bugs which are actually counted

  • How improper OTP implementation could lead to Account Take Over (Part 4)

  • Unmasking Server IPs Protected by WAF: Unveiling Hidden Information with CloudBunny

• Advanced

  • What is HTTP Parameter Pollution

• Security Research

  • Huobi’s Leaky Bucket Risked Massive Crypto Breach

  • Hacking Auto-GPT and escaping its docker container | Positive Security

  • Finding Gadgets for CPU Side-Channels with Static Analysis Tools

  • CVE-2023-26258 – Remote Code Execution in ArcServe UDP Backup – MDSec

  • Why ORMs and Prepared Statements Can’t (Always) Win

  • Process Mockingjay: Echoing RWX In Userland To Achieve Code Execution

  • Using an Unimpressive Bug in EDK II to Do Some Fun Exploitation

  • A technical analysis of the SALTWATER backdoor used in Barracuda 0-day vulnerability (CVE-2023-2868) exploitation

  • zCamera, 100M+ installation app, from remote compromise to data leaks

• Bugs

  • A $1,000,000 bounty? The KuCoin User Information Leak

  • How i got more than 100 vulnerabilities in just one site? (zseano-challenge)

  • How did I get 200$ with WordPress vulnerability!!!

  • How i was able to get Account Takeover via Insecure Data Storage and WebView With Exported Activity

  • Inside the Invite Function: Uncovering a Potential Vulnerability of Invite User

  • My First Bug account takeover through OTP bypass

  • CSV Injection

  • How I get 1000$ bounty for Discovering Account Takeover in Android Application

  • Weakness of Integration

  • My First Valid Report and Reward in BugBounty

  • Unveiling Hidden Treasures: How I Earned my First Information Disclosure Bounty Reward

  • How I got my first bug bounty in just 5 minutes

  • How BAC(Broken Access Control) got me a Pre Account Takeover

  • DOS attack possible on Reset 2FA feature

  • [ BUG BOUNTY ] How I Get 2580$ USD From Blind SQL Injection [Indonesian]

  • Account Takeover: Unraveling IDOR + Stored XSS Flaws in an NFT Marketplace

  • Stored XSS via Exif Data

  • My first two valid and rewarded Web Cache Deceptions, earning $2250

• CTF challenges

  • HTB: Pollution

  • Cracking PicoCTF Challenge: GDB Baby Step 1

  • How To Crack PicoCTF ASCII FTW With Ghidra

  • ParaBank walkthrough

• GitHub – AdvDebug/NoMoreCookies: Browser Protector against various stealers, written in C# & C/C++.

• Frida 16.1.0 Released

• GitHub – mschwager/route-detect: Find authentication (authn) and authorization (authz) security bugs in web application routes.

• GitHub – Anof-cyber/ParaForge: A BurpSuite extension to create a custom word-list of endpoint and parameters for enumeration and fuzzing

• DNS Analyzer – Finding DNS vulnerabilities with Burp Suite

• Bug Bounty Hunting — Some Browser Extensions to Get Started

• Golddigger – Search Files For Gold

• Bropper – An Automatic Blind ROP Exploitation Tool

• Artemis – A Modular Web Reconnaissance Tool And Vulnerability Scanner

• ReconAIzer – A Burp Suite Extension To Add OpenAI (GPT) On Burp And Help You With Your Bug Bounty Recon To Discover Endpoints, Params, URLs, Subdomains And More!

• DCVC2 – A Golang Discord C2 Unlike Any Other

• While testing for CVE-2023-24488 I found various servers behind Akamai and since the original payload gives a Forbidden response I found this bypass

• As recon process I observed few things in dorking site:*.target.*

• I found a really interesting rXSS on a @SynackRedTeam target last night.

• Today I presented at the @SURF_NL Security and Privacy Conference how I hacked the #Zouikwatzeggen.nl app. An app that allows 15k employees to report inappropriate behaviour.

• Create an alias for pbcopy so that you can just use “c” to copy stdout

• File upload tip

• WAF Bypass tip

• MOVEIt Googledork

• Blind XSS in Contact form

• CVE-2023-24488 – Citrix Gateway XSS