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CVE-2014-6271 PoC — GNU Bash 远程代码执行漏洞

来源
关联漏洞
标题: GNU Bash 远程代码执行漏洞 (CVE-2014-6271)
Description:GNU Bash是美国软件开发者布莱恩-福克斯(Brian J. Fox)为GNU计划而编写的一个Shell(命令语言解释器),它运行于类Unix操作系统中(Linux系统的默认Shell),并能够从标准输入设备或文件中读取、执行命令,同时也结合了一部分ksh和csh的特点。 GNU Bash 4.3及之前版本中存在安全漏洞,该漏洞源于程序没有正确处理环境变量值内的函数定义。远程攻击者可借助特制的环境变量利用该漏洞执行任意代码。以下产品和模块可能会被利用:OpenSSH sshd中的ForceComman
Description
Collected fixes for bash CVE-2014-6271
介绍
CVE-2014-6271 patches for bash

The original mailing list post only lets you fetch the patches over
unauthenticated HTTP.  *Sigh*

I've downloaded these over HTTP and put them into a git repository that you can
fetch over HTTPS and check independently.

I have not checked whether these files are authentic, but you can check
independently whether you have the same files.

- [Original announcement](announcement.txt)
- [SHA256SUMS](SHA256SUMS)

== Upstream patches ==

Retrieved from `http://ftp.gnu.org/pub/gnu/bash/bach-*-patches/`

- [upstream/bash30-017](upstream/bash30-017)
- [upstream/bash31-018](upstream/bash31-018)
- [upstream/bash32-052](upstream/bash32-052)
- [upstream/bash40-039](upstream/bash40-039)
- [upstream/bash41-012](upstream/bash41-012)
- [upstream/bash42-048](upstream/bash42-048)
- [upstream/bash43-025](upstream/bash43-025)

== Debian ==

Retrieved using apt-get source bash (version 4.2+dfsg-0.1+deb7u1).  I'm not
sure if apt did a gpg signature check on this.

- [debian/CVE-2014-6271.diff](debian/CVE-2014-6271.diff)

== My own patches ==

- [dlitz/CVE-2014-6271\_4.3-9.diff](dlitz/CVE-2014-6271_4.3-9.diff)
    - This is bash43-025 applied to Debian bash 4.3-9 (from sid)

== SHA256SUMS ==

- [SHA256SUMS](SHA256SUMS)

<pre>
427c3ba3e0d6ea29b8ddbfc2fa48f0f90fbd68d38501a409ba0beb73840245d3  upstream/bash30-017
80f15b2719f3acd746edbe828f23b80116ca033b870120301256131eaa5050b3  upstream/bash31-018
a0eccf9ceda50871db10d21efdd74b99e35efbd55c970c400eeade012816bb61  upstream/bash32-052
09de2a4309fdcdff470754357073b6e9b1e4662add5981888acba27a53954a1e  upstream/bash40-039
272e24a9a2802e896b20dae7c88d6a34b8dc89692c9bc90542cd4bda77607b6d  upstream/bash41-012
751a5d2330b21ac9aba7323acbbc91c948285f30a4bb41f56796f9a36b983d24  upstream/bash42-048
1e5186f5c4a619bb134a1177d9e9de879f3bb85d9c5726832b03a762a2499251  upstream/bash43-025
a197e03ea8e39d7f0cda14367bae1e5880384d50235516dfcd20921dc3810e57  debian/CVE-2014-6271.diff
</pre>
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