Fedora alert FEDORA-2004-108 (utempter)

From:
    	     
 
"Mike A. Harris" <mharris@redhat.com>
To:
    	     
 
fedora-announce-list@redhat.com
Subject:
    	     
 
[SECURITY] New utempter package now available for Fedora Core 1
Date:
    	     
 
Wed, 21 Apr 2004 04:40:47 -0400 (EDT)

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Fedora Update Notification
FEDORA-2004-108
2004-04-21
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Name        : utempter
Version     : 0.5.5                      
Release     : 3.FC1.0                  
Summary     : A privileged helper for utmp/wtmp updates.
Description :
Utempter is a utility which allows some non-privileged programs to
have required root access without compromising system
security. Utempter accomplishes this feat by acting as a buffer
between root and the programs.

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Update Information:

Topic:
An updated utempter package that fixes a potential symlink vulnerability is
now available.

Problem Description:
Utempter is a utility that allows terminal applications such as xterm and
screen to update utmp and wtmp without requiring root privileges.

Steve Grubb discovered a flaw in Utempter which allowed device names
containing directory traversal sequences such as '/../'. In combination
with an application that trusts the utmp or wtmp files, this could allow a
local attacker the ability to overwrite privileged files using a symlink.

Users should upgrade to this new version of utempter, which fixes this
vulnerability. 
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* Tue Apr 20 2004 Mike A. Harris <mharris@redhat.com> 0.5.5-4

- Build 0.5.5-1 version as 0.5.5-1.2.1EL.0 for RHEL 2.1 erratum
- Build 0.5.5-1 version as 0.5.5-1.3EL.0 for RHEL 3 erratum
- Build 0.5.5-1 version as 0.5.5-2.RHL9.0 for RHL 9 erratum
- Build 0.5.5-1 version as 0.5.5-3.FC1.0 for Fedora Core 1 erratum
- Build 0.5.5-1 version as 0.5.5-4 for Fedora Core 2 development head

* Mon Apr 19 2004 Mike A. Harris <mharris@redhat.com> 0.5.5-1

- [SECURITY] Fix CAN-2004-0233 utempter directory traversal symlink attack
  issue for immediate erratum release.
- Build all-arch test package 0.5.5-1 in dist-fc2-scratch

* Mon Feb 23 2004 Mike A. Harris <mharris@redhat.com> 0.5.4-1

- Rewrote post install script to be a bit cleaner and rebuilt in rawhide to
  pick up twaugh's chown change
- Added 'srpm-x' target to Makefile for package maintainer SRPM building

* Mon Feb 23 2004 Tim Waugh <twaugh@redhat.com>

- Use ':' instead of '.' as separator for chown.


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This update can be downloaded from:
  http://download.fedora.redhat.com/pub/fedora/linux/core/updates/1/

f7183d6339a8bdaa5b42a55b9bf1915a  SRPMS/utempter-0.5.5-3.FC1.0.src.rpm
6d211a469244cd656fcff3464d00e3e0  i386/utempter-0.5.5-3.FC1.0.i386.rpm
86e078c46a04eceb0c5e05f6a428214d  i386/debug/utempter-debuginfo-0.5.5-3.FC1.0.i386.rpm
f5946681eddc62e62296e64b29f176a8  x86_64/utempter-0.5.5-3.FC1.0.x86_64.rpm
fbd974095834794b31aa89aa50d14d90  x86_64/debug/utempter-debuginfo-0.5.5-3.FC1.0.x86_64.rpm

This update can also be installed with the Update Agent; you can
launch the Update Agent with the 'up2date' command.  
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