Buffer Overflows

Veranstaltung
Titel	Buffer Overflows
Untertitel
Termin
Ort
Thema
Vortragende(r)
Referent(inn)en:	Sven und Carsten Grohmann
Links
C3D2 Webseite
Thema	siehe unten
Folien

Link-Sammlung (Allgemein)

• Buffer-Overflows und andere Sollbruchstellen
• Vortrag über Buffer Overflows von Stefan Krecher]

Audit-Tools

• Splint (C)
• RATS Rough Auditing Tool for Security (C, C++, PHP, Perl & Python)
• Flawfinder (C/C++)
• ITS4 (C/C++)
• PScan (C)
• ElectricFence - malloc() debugger
• CodeWizard (commercial)

Exploit-Programmierung

• Smashing the Stack for fun and Profit
• w00w00 on Heap Overflows
• How to write remote exploits
• Non-Stack Overflows on Windows
• Defeating Microsoft Windows 2003 Stack Protection
• Variations in Exploit methods between Linux and Windows
• Exploitation of UNICODE Buffer Overflows
• Windows 2000 Format String Vulnerabilities
• Buffer Overflows on SPARC Architecture
• Buffer Overflows for Beginner
• Frame Pointer Overwrite
• Exploiting Non-adjacent Memory Spaces
• Howto remotely and automatically exploit a format bug
• Advanced Doug Lea's malloc exploits
• Bypassing Stackguard and Stackshield
• Exploiting Format String Vulnerabilities
• Once upon a free()...
• The advanced return-into-lib(c) exploits
• Buffer overflow exploit in the alpha linux
• Howto write Buffer Overflows

Protection

• Static Analysis
  • A first step towards automated detection of buffer overrun vulnerabilities
  • Cleanness Checking of String Manipulations in C Programs via Integer Analysis
  • Statically detecting likely buffer overflow vulnerabilities
  • Detecting heap smashing attacks through fault containment wrappers
  • Accurate Buffer Overflow Detection via Abstract Payload Execution
  • A Comparison of Publicly Available Tools for Static Intrusion Prevention
  • CSSV: Towards a Realistic Tool for Statically Detecting All Buffer Overflows in C
  • Protecting C Programs from Attacks via Invalid Pointer Dereferences
  • A Binary Rewriting Defense Against Stack-based Buffer Overflow Attacks
  • Static Analysis of Executables to Detect Malicious Patterns
  • Address Obfuscation: An Approach to Combat Buffer Overflows, Format-String Attacks, and More

• Compiler Patches
  • Adding run-time checking to the portable c compiler
  • Protecting from stack smashing attacks
  • Bounds Checking for C
  • StackGuard: Automatic adaptive detection and prevention of buffer overflowattacks
  • Stack Shield: A "stack smashing" technique protection tool for linux
  • Rad: A compiletime solution to buffer overflow attacks
  • GCC extension for protecting applications from stack-smashing attacks
  • Protecting pointers from buffer overflow vulnerabilities

• C Library Patches
  • FreeBSD Stack Integrity Patch
  • Transparent run-time defense against stack smashing attacks (Libsafe - Libverify)
  • FormatGuard: Automatic Protection From printf Format String Vulnerabilities
  • Safe C String Library
  • Libparanoia

• Kernel / OS Patches
  • Non-executable user stack
  • StackGhost: Hardware Facilitated Stack Protection
  • PaX
  • Mitigating Buffer Overflows by Operating System Randomization
  • Transparent runtime randomization for security

Shellcode

• Polymorphic Shellcode Engine
• The Art of Writing Shellcode
• Designing Shellcode Demystified
• Building IA32 'Unicode-Proof' Shellcodes

Vulnerabilities

• JPEG COM Marker Processing Vulnerability in Netscape Browsers