full-disclosure - Re: [FD] [oss-security] Bug in bash <= 4.3 [security feature bypassed]

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Message-ID: <CAH8yC8=1DU=jiA=LRT2y3uUJ+nxuJbOQ9f2DWzqgsjOB6FCD1A@mail.gmail.com>
Date: Thu, 5 Jun 2014 22:51:39 -0400
From: Jeffrey Walton <noloader@...il.com>
To: Hector Marco <hecmargi@....es>
Cc: oss-security@...ts.openwall.com, bugs@...uritytracker.com,
	BugTraq <bugtraq@...urityfocus.com>,
	Full Disclosure List <fulldisclosure@...lists.org>
Subject: Re: [FD] [oss-security] Bug in bash <= 4.3 [security feature
	bypassed]

> 2014-06-03 16:16 GMT+02:00 Hector Marco <hecmargi@....es>:
>
> Hi everyone,
>
> Recently we discovered a bug in bash. After some time after reporting
> it to bash developers, it has not been fixed.
>
> We think that this is a security issue because in some circumstances
> the bash security feature could be bypassed allowing the bash to be a
> valid target shell in an attack.
>
> We strongly recommend to patch your bash code.
>
> Why don't fix this bug by simple adding mandatory "if" clause ?
> Any comments about this issue are welcomed.
>
>
> Details at:
> http://hmarco.org/bugs/bash_4.3-setuid-bug.html
It looks like Rage Against The Cage has been rediscovered. Also known
as Android ADB Setuid bug.

Jeff


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