(Gentoo Issues Fix) Webmin Discloses Module Configuration Data to Remote Authenticated Users
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SecurityTracker Alert ID: 1010517
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SecurityTracker URL: http://securitytracker.com/id?1010517
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CVE Reference: GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Jun 17 2004
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Impact: Denial of service via network, Disclosure of system information, Disclosure of user information
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Fix Available: Yes
Vendor Confirmed: Yes
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Version(s): 1.140 and prior versions
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Description: Two vulnerabilities were reported in Webmin. A remote user can cause user accounts to be locked out. A remote authenticated user can view module configuration data.
The vendor reported that a remote authenticated user can view the configuration of arbitrary modules, even if the user should not
have access to the module.
It is also reported that a remote user can send an invalid username or password to lock out valid
users.
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Impact: A remote authenticated user can view the configuration of arbitrary modules on the system.
A remote user can lock out a valid user's account.
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Solution: Gentoo has issued a fix and indicates that all Webmin users should upgrade to the latest stable version:
# emerge sync
# emerge -pv ">=app-admin/app-admin/webmin-1.150"
# emerge ">=app-admin/app-admin/webmin-1.150"
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Vendor URL: www.webmin.com/changes-1.150.html (Links to External Site)
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Cause: Access control error, State error
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Underlying OS: Linux (Gentoo)
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Reported By: Kurt Lieber <klieber@gentoo.org>
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Wed, 16 Jun 2004 13:31:46 +0000
From: Kurt Lieber <klieber@gentoo.org>
Subject: [gentoo-announce] [ GLSA 200406-12 ] Webmin: Multiple vulnerabilities
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Gentoo Linux Security Advisory GLSA 200406-12
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http://security.gentoo.org/
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Severity: Normal
Title: Webmin: Multiple vulnerabilities
Date: June 16, 2004
Bugs: #53375
ID: 200406-12
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Synopsis
========
Webmin contains two security vulnerabilities which could lead to a
Denial of Service attack and information disclosure.
Background
==========
Webmin is a web-based administration tool for Unix. It supports a wide
range of applications including Apache, DNS, file sharing and others.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-admin/webmin <= 1.140-r1 >= 1.150
Description
===========
Webmin contains two security vulnerabilities. One allows any user to
view the configuration of any module and the other could allow an
attacker to lock out a valid user by sending an invalid username and
password.
Impact
======
An authenticated user could use these vulnerabilities to view the
configuration of any module thus potentially obtaining important
knowledge about configuration settings. Furthermore an attacker could
lock out legitimate users by sending invalid login information.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Webmin users should upgrade to the latest stable version:
# emerge sync
# emerge -pv ">=app-admin/app-admin/webmin-1.150"
# emerge ">=app-admin/app-admin/webmin-1.150"
References
==========
[ 1 ] Bugtraq Announcement
http://www.securityfocus.com/bid/10474
[ 2 ] Webmin Changelog
http://www.webmin.com/changes-1.150.html
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200406-12.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 2004 Gentoo Technologies, 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/1.0
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