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house of water & TFCCTF 2024 MCGUAVA

Created2024-08-06|Updated2024-11-21
|Word Count:6|Reading Time:1mins|Post Views:
Author: Qanux
Link: https://qanux.github.io/2024/08/06/house%20of%20water%20&%20TFCCTF%202024%20MCGUAVA/
Copyright Notice: All articles in this blog are licensed under CC BY-NC-SA 4.0 unless stating additionally.
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Contents
  1. 1. house of water
    1. 1.1. 概述
    2. 1.2. Attack Demo
      1. 1.2.1. house_of_water.c
      2. 1.2.2. 总结
  2. 2. TFCCTF 2024 MCGUAVA
    1. 2.0.1. ida伪代码
      1. 2.0.1.1. main
      2. 2.0.1.2. guava
      3. 2.0.1.3. gius
    2. 2.0.2. 漏洞分析
    3. 2.0.3. 获取堆块索引
    4. 2.0.4. 获取能够修改 unsorted_start 和 unsorted_end 的堆块
    5. 2.0.5. 伪造 fake unsorted chunk 的prev_size 和 size
    6. 2.0.6. exp
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