Understanding RELRO and the Global Offset Table (GOT): A Hands-On Linux Deep Dive
📰 Medium · Programming
Learn how Linux dynamically links functions and protects against attacks using RELRO and the Global Offset Table (GOT)
Action Steps
- Run a Linux program with GDB to inspect dynamic linking
- Configure GDB to display the Global Offset Table (GOT)
- Test the effects of RELRO on the GOT
- Apply RELRO protection to a Linux executable
- Compare the differences in memory layout with and without RELRO
Who Needs to Know This
This article benefits software engineers and security researchers who want to understand the inner workings of Linux dynamic linking and protection mechanisms. It provides hands-on experience with GDB, making it useful for those who work with Linux-based systems and want to improve their debugging skills.
Key Insight
💡 RELRO protects the Global Offset Table (GOT) from being overwritten, preventing attacks that rely on modifying the GOT
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🔍 Dive into Linux dynamic linking and protection with RELRO and GOT
Key Takeaways
Learn how Linux dynamically links functions and protects against attacks using RELRO and the Global Offset Table (GOT)
Full Article
Learn how Linux dynamically links functions, how the GOT works, what RELRO protects, and how to inspect everything yourself using GDB… Continue reading on Medium »
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