Midv-075 Extra Quality File

MIDV‑075 – Complete Write‑Up

Category – Binary Exploitation / Reverse Engineering
Points – 350 (Hard)
Platform – Midpoint Village (MIDV) CTF – 2024 edition

• We control both a and b. By abusing signed overflow we can set a to any 64‑bit value, and b will be added to it.
• However, we cannot directly write arbitrary data to the saved return address; we only have a single 64‑bit result returned from calculate.
• To place a full ROP chain we use the second call to the binary (the binary is invoked twice in the same process because it is set‑uid). The first call leaks the address; the second call uses the same stack frame (the process

This release has drawn significant interest due to its high production values and the strategic marketing campaign surrounding it. The Impact of a Strong Debut MIDV-075

Challenges and Considerations

Title: An Overview of MIDV-075 and the Actress Saki Okuda We control both a and b

Conclusion: Summarize your overall experience. This release has drawn significant interest due to