bugThe GNU Hurd - Bugs: bug #15300, not paranoid enough about device...


bug #15300: not paranoid enough about device name

Submitter:  Samuel Thibault <sthibaul>
Submitted:  Mon 26 Dec 2005 10:48:32 PM UTC
Category:  GNU Mach Severity:  3 - Normal
Priority:  5 - Normal Item Group:  None
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Open Reproducibility:  None
Size (loc):  None Planned Release:  None
Effort:  0.00
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Mon 26 Dec 2005 10:48:32 PM UTC, original submission:  

From http://bugs.debian.org/113732

From: Marcus Brinkmann <Marcus.Brinkmann@ruhr-uni-bochum.de>
To: -email is unavailable-
Subject: not paranoid enough about device name
Date: Fri, 28 Sep 2001 02:09:08 +0200

Package: gnumach

gnumach device_open is not paranoid enough about the device name.  I haven't
tried it, but I think that having 128 non-digits with no trailing zero will
make gnumach run past the buffer in dev_name_lookup.

Maybe not worth fixing for gnumach (esp as opening a device requires the
device master port anyway).  But it reminds me of the broader issue of the
necessity to audit the code, esp at the borders caused by user supplied


Samuel Thibault <sthibaul>
Group administrator


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Follows 1 latest change.

Date Changed by Updated Field Previous Value => Replaced by
2006-11-16 tschwinge Dependencies- task #6111 is dependent

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