Immunix Secured OS 7+ fileutils update

[Immunix Security Team]

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Immunix Secured OS Security Advisory

Packages updated: fileutils
Affected products: Immunix OS 7.0, 7+
Bugs fixed: CAN-2002-0435
Date: Fri May 16 2003
Advisory ID: IMNX-2003-7+-010-01
Author: Seth Arnold <sarnold@wirex.com>
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Description:
Wojciech Purczynski discovered filesystem race conditions in the GNU
fileutils suite, that allows for local root compromise if root renames
or removes group- or world-writable directory trees.

This release fixes this problem by comparing (dev, inode) pairs before
and after chdir("..") calls. If the pairs don't match, an error is
returned. Thanks to Jim Meyering for the patch.

Package names and locations:
Precompiled binary packages for Immunix 7+ are available at:
http://download.immunix.org/ImmunixOS/7+/Updates/RPMS/fileutils-4.0x-3_im=
nx_1.i386.rpm

A source package for Immunix 7+ is available at:
http://download.immunix.org/ImmunixOS/7+/Updates/SRPMS/fileutils-4.0x-3_i=
mnx_1.src.rpm

Immunix OS 7+ md5sums:
14e6f08085ae88a6545d30c7428e30fd RPMS/fileutils-4.0x-3_imnx_1.i386.rpm
cb75eca0cd9832c317a89d2cf0871847 SRPMS/fileutils-4.0x-3_imnx_1.src.rpm

GPG verification: =
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Our public key is available at <http://wirex.com/security/GPG_KEY>. =
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NOTE:
Ibiblio is graciously mirroring our updates, so if the links above are
slow, please try:
ftp://ftp.ibiblio.org/pub/Linux/distributions/immunix/
or one of the many mirrors available at:
http://www.ibiblio.org/pub/Linux/MIRRORS.html

ImmunixOS 6.2 is no longer officially supported.
ImmunixOS 7.0 is no longer officially supported.

Contact information:
To report vulnerabilities, please contact security@wirex.com. WireX=20
attempts to conform to the RFP vulnerability disclosure protocol
<http://www.wiretrip.net/rfp/policy.html>.

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[Seth Arnold]

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On Fri, Oct 31, 2003 at 06:14:44PM -0800, Immunix Security Team wrote:
> Description:
> Georgi Guninski has discovered an off-by-one error in ls(1)'s columns
> handling code. This provided a providential opportunity to handle the

Please accept my apologies for this mistake -- Georgi Guninski found,
and Solar Designer fixed, an integer overflow in ls(1), not an
off-by-one error.

Thanks again to both Georgi and Solar for pointing out my error.

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http://www.immunix.com/

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