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Message-Id: <1428938247.1254338.253090497.164C53F0@webmail.messagingengine.com>
Date: Mon, 13 Apr 2015 10:17:27 -0500
From: Mark Felder <feld@...d.me>
To: oss-security@...ts.openwall.com
Subject: Re: CVE request: freebsd/sh stack overflow vulnerability
On Tue, Mar 31, 2015, at 05:42, wzt wzt wrote:
> hi：
> I found sh have a stack overflow bug on freebsd(9.0-10.0), it may be
> triggered on all freebsd systems, but i have not tested yet. the poc
> below
> is tested on freebsd10.0 amd64 arch:
>
I brought this to the attention of jilles@, the current sh(1) maintainer
in FreeBSD. He responded:
"Since unset command is equivalent to unset -v command in our sh, this
is equivalent to sh -c 'f() { f; }; f', and not a vulnerability."
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