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Print Scan Hacks - Understanding the 8 CVEs Impacting Brother Printers

CryptoCat via YouTube

Overview

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Explore eight critical vulnerabilities discovered in Brother printer devices through this 30-minute cybersecurity analysis video. Examine zero-day research conducted by Stephen Fewer from Rapid7, covering CVE-2024-51977 through CVE-2024-51984, which include information leaks, remote authentication bypass, buffer overflow exploits, server-side request forgery attacks, denial of service vulnerabilities, and credential exposure techniques. Learn about each vulnerability's technical details and exploitation methods, starting with testing setup procedures and progressing through information leak vulnerabilities, authentication bypass techniques, stack-based buffer overflow exploitation, TCP port scanning via SSRF, CRLF injection with request smuggling, type confusion denial of service attacks, logic bug exploitation, and passback attacks for credential harvesting. Access accompanying resources including the original research whitepaper, blog post analysis, and GitHub repository containing proof-of-concept exploits, designed specifically for beginners in vulnerability research and offensive security.

Syllabus

0:00 Introduction
1:27 Summary
2:41 Testing Setup
3:18 CVE-2024-51977: Information Leak
4:52 CVE-2024-51978: Authentication Bypass
10:20 CVE-2024-51979: Stack-Based Buffer Overflow
17:28 CVE-2024-51980: Server Side Request Forgery #1 TCP port scanning
20:50 CVE-2024-51981: Server Side Request Forgery #2 CRLF injection + request smuggling
25:38 CVE-2024-51982: Denial of Service #1 type confusion
26:48 CVE-2024-51983: Denial of Service #2 logic bug
28:04 CVE-2024-51984: Passback Attack credential exposure
29:08 Conclusion

Taught by

CryptoCat

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