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30 lines
991 B
Markdown
30 lines
991 B
Markdown
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# 6.1.22 pwn BCTF2016 bcloud
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- [题目复现](#题目复现)
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- [题目解析](#题目解析)
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- [漏洞利用](#漏洞利用)
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- [参考资料](#参考资料)
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[下载文件](../src/writeup/6.1.22_pwn_bctf2016_bcloud)
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## 题目复现
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```
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$ file bcloud
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bcloud: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux.so.2, for GNU/Linux 2.6.24, BuildID[sha1]=96a3843007b1e982e7fa82fbd2e1f2cc598ee04e, stripped
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$ checksec -f bcloud
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RELRO STACK CANARY NX PIE RPATH RUNPATH FORTIFY Fortified Fortifiable FILE
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Partial RELRO Canary found NX enabled No PIE No RPATH No RUNPATH Yes 0 4 bcloud
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$ strings libc-2.19.so | grep "GNU C"
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GNU C Library (Ubuntu EGLIBC 2.19-0ubuntu6.7) stable release version 2.19, by Roland McGrath et al.
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Compiled by GNU CC version 4.8.2.
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```
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## 题目解析
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## 漏洞利用
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## 参考资料
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- https://ctftime.org/task/2165
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