CVE-2014-6271 PoC — GNU Bash 远程代码执行漏洞

Title:GNU Bash 远程代码执行漏洞 (CVE-2014-6271)
Description:GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute arbitrary code via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the mod_cgi and mod_cgid modules in the Apache HTTP Server, scripts executed by unspecified DHCP clients, and other situations in which setting the environment occurs across a privilege boundary from Bash execution, aka "ShellShock." NOTE: the original fix for this issue was incorrect; CVE-2014-7169 has been assigned to cover the vulnerability that is still present after the incorrect fix.

Debian Lenny Bash packages with cve-2014-6271 patches (i386 and amd64)

debian-lenny-bash_3.2.52-cve-2014-6271
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Debian Lenny Bash packages with cve-2014-6271 patches (i386 and amd64)

You can test the flaw by running:

env x='() { :;}; echo vulnerable' bash -c "echo this is a test"

 [4.0K]  /data/pocs/af1d976e4cdd013e9580b058c5b307fccf4e7ac8
├── [628K]  bash_3.2.52-cve-2014-6271_amd64.deb
├── [581K]  bash_3.2.52-cve-2014-6271_i386.deb
└── [ 250]  README.md

0 directories, 3 files