bugtraq - Re: cpio TOCTOU file-permissions vulnerability

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Message-ID: <20050419123456.98228.qmail@web51510.mail.yahoo.com>
Date: Tue, 19 Apr 2005 05:34:55 -0700 (PDT)
From: Steve G <linux_4ever@...oo.com>
To: bugtraq@...urityfocus.com
Subject: Re: cpio TOCTOU file-permissions vulnerability

Hello,

Since no fix has been posted, I've taken a stab at patching this. I think this
patch solves all issues with chmod & chown. I would recommend people review this
patch and apply since cpio can create suid files, devices, and directories with
special permissions. I have a patch for coreutils mostly done and will post that
soon.

-Steve Grubb

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Download attachment "cpio-2.6-chmod.patch" of type "application/octet-stream" (14533 bytes)