非栈上格式化字符串的利用方法
前言本文以第六届强网拟态线下赛的格式化字符串Pwn题为例,分享非栈上格式化字符串的利用方法。主要涵盖两个关键技术点: 多级指针链利用:当格式化字符串不在栈上时,通过修改栈上现有的多级指针链(二重/三重指针)来间接控制目标内存 高位截断技术:当前期输出字符数已超过后期需求值时,利用0x10000溢出特性实现单字节精确写入 同时探讨为何不能在同一条指针链上使用 $ 符号进行连续修改的问题,并提出个人结
A severe privilege escalation vulnerability has been discovered in Notepad++ version 8.8.1, potentially exposing millions of users worldwide to complete system compromise. The flaw, designated CVE-2025-49144, allows attackers to gain SYSTEM-level privileges through a technique known as binary planting, with a proof-of-concept demonstration now publicly available. The vulnerability affects the Notepad++ v8.8.1 installer released on […]
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