one_gadget vs ROPgadget
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About one_gadget
one_gadget is a specialized Ruby tool that locates single-instruction execve gadgets within libc shared libraries, finding code paths that spawn a shell with minimal setup requirements. These one-gadget RCE (Remote Code Execution) addresses dramatically simplify exploit development by replacing complex ROP chains with a single redirect to a pre-existing execve call in libc. CTF competitors and exploit developers use one_gadget to quickly identify the most convenient exploitation primitives in a target's libc version, reducing the time and complexity needed to achieve code execution from a memory corruption vulnerability. The tool analyzes constraint conditions for each gadget, reporting what register or stack states must be satisfied for successful execution, which is critical information for building reliable exploits.
About ROPgadget
ROPgadget is a binary exploitation tool that searches for ROP (Return-Oriented Programming) gadgets within executable binaries to facilitate the construction of exploit chains that bypass modern memory protection mechanisms like DEP and ASLR. It supports ELF, PE, and Mach-O binary formats across x86, x64, ARM, ARM64, PowerPC, SPARC, MIPS, and RISC-V architectures, making it one of the most versatile gadget finders available. Exploit developers, CTF players, and vulnerability researchers use ROPgadget to identify usable instruction sequences that end in return instructions, which can be chained together to achieve arbitrary code execution without injecting new code. The tool can automatically generate complete ROP chains for common exploitation scenarios and provides filtering and search capabilities to locate specific gadget patterns within large binaries.
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one_gadget only
ROPgadget only