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CVE-2017-16997 PoC — GNU C Library 代码问题漏洞

Source
https://github.com/Xiami2012/CVE-2017-16997-poc
Associated Vulnerability
Title:GNU C Library 代码问题漏洞 (CVE-2017-16997)
Description:elf/dl-load.c in the GNU C Library (aka glibc or libc6) 2.19 through 2.26 mishandles RPATH and RUNPATH containing $ORIGIN for a privileged (setuid or AT_SECURE) program, which allows local users to gain privileges via a Trojan horse library in the current working directory, related to the fillin_rpath and decompose_rpath functions. This is associated with misinterpretion of an empty RPATH/RUNPATH token as the "./" directory. NOTE: this configuration of RPATH/RUNPATH for a privileged program is apparently very uncommon; most likely, no such program is shipped with any common Linux distribution.
Description
A proof-of-concept for CVE-2017-16997
File Snapshot

 [4.0K]  /data/pocs/730efdf854211df70960e8c803c54b72e2fe959e
├── [1.4K]  CVE-2017-16997.sh
├── [ 386]  Makefile
├── [ 182]  README.rst
└── [4.0K]  src
    ├── [  49]  foo_bad.c
    ├── [  50]  foo_good.c
    ├── [  50]  foo.h
    └── [ 316]  test.c

1 directory, 7 files
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