cve-2019-6788 analysis
reference: The Poc cve-2019-6788 is a heap overflow vulnerability in qemu, it occurs in tcp emu(slirp/tcp subr.c) : In EMU IDENT,It copies…
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rwctf2021 Easy Escape
Recently I'm confused by my research. I need to publish a paper for my degree. It seems easy for a ctfer? But I think it's hard to write a…
qemu escape study
reference Recently, there are many qemu escape challenges in ctf. I have never leaned it before, so i decided to study it to adjust the mo…
kernel pwn入门(1) 简易环境搭建
这里就拿2017年国赛的babydriver一题，记录一下简单的环境搭建。 题目是给出了环境的，可以直接拿qemu启动。 当然，为了调试，我们人为加上两条 这时候运行脚本，qemu就停在了加载系统之前，拿gdb链接就可以了。 不过正常来说这时候还是不行的，在运行过程中有可能会…