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Sicherheit: Preisgabe von Informationen in webmin-Binärpaket
Aktuelle Meldungen Distributionen
Name: Preisgabe von Informationen in webmin-Binärpaket
ID: 200502-12
Distribution: Gentoo
Plattformen: Keine Angabe
Datum: Sa, 12. Februar 2005, 12:00
Referenzen: Keine Angabe
Applikationen: Webmin

Originalnachricht

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Gentoo Linux Security Advisory GLSA 200502-12
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http://security.gentoo.org/
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Severity: Normal
Title: Webmin: Information leak in Gentoo binary package
Date: February 11, 2005
Bugs: #77731
ID: 200502-12

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Synopsis
========

Portage-built Webmin binary packages accidentally include a file
containing the local encrypted root password.

Background
==========

Webmin is a web-based system administration console allowing an
administrator to easily configure servers and other features. Using the
'buildpkg' FEATURE, or the -b/-B emerge options, Portage can build
reusable binary packages for any of the packages available through the
Portage tree.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-admin/webmin < 1.170-r3 >= 1.170-r3

Description
===========

Tavis Ormandy of the Gentoo Linux Security Audit Team discovered that
the Webmin ebuild contains a design flaw. It imports the encrypted
local root password into the miniserv.users file before building binary
packages that include this file.

Impact
======

A remote attacker could retrieve Portage-built Webmin binary packages
and recover the encrypted root password from the build host.

Workaround
==========

Users who never built or shared a Webmin binary package are unaffected
by this.

Resolution
==========

Webmin users should delete any old shared Webmin binary package as soon
as possible. They should also consider their buildhost root password
potentially exposed and follow proper audit procedures.

If you plan to build binary packages, you should upgrade to the latest
version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-admin/webmin-1.170-r3"

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200502-12.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2005 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.0
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