Operating System:

[OpenBSD]

Published:

09 January 2006

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution

                        ESB-2006.0010 -- [OpenBSD]
          3.8 Erratum 002 - Patch fixes suid /dev/fd access check
                              9 January 2006

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           kernel
Publisher:         OpenBSD
Operating System:  OpenBSD 3.8 and prior
Impact:            Inappropriate Access
Access:            Existing Account

Original Bulletin: http://www.openbsd.org/errata.html

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002: SECURITY FIX: January 5, 2006   All architectures

Do not allow users to trick suid programs into re-opening files via /dev/fd.
A source code patch exists which remedies this problem.

Patch for OpenBSD 3.8
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/002_fd.patch

Patch for OpenBSD 3.7
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.7/common/008_fd.patch

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
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Qld 4072

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