My Firewall Plus Help Function Lets Local Users Gain System Privileges
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SecurityTracker Alert ID: 1012644
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SecurityTracker URL: http://securitytracker.com/id?1012644
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CVE Reference: GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Dec 21 2004
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Impact: Execution of arbitrary code via local system, Root access via local system
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Fix Available: Yes
Vendor Confirmed: Yes
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Advisory: Secunia Research
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Version(s): 5.0 (build 1117)
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Description: A vulnerability was reported in My Firewall Plus. A local user can gain elevated privileges.
Secunia Research reported that the 'smc.exe' process runs the help function with System privileges. A local user can exploit the
help function to execute arbitrary code with System level privileges.
The vendor was notified on November 15, 2004.
Carsten
Eiram of Secunia Research discovered this flaw.
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Impact: A local user can execute arbitrary code with System level privileges.
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Solution: The vendor has issued a patch:
http://www.webroot.com/services/MFP_Patch.exe
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Vendor URL: www.webroot.com/products/myfirewallplus/ (Links to External Site)
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Cause: Access control error
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Underlying OS: Windows (Any)
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Reported By: "Carsten H. Eiram" <che@secunia.com>
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Message History:
None.
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Source Message Contents
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Date: Tue, 21 Dec 2004 10:37:37 +0100
From: "Carsten H. Eiram" <che@secunia.com>
Subject: [Full-Disclosure] Secunia Research: My Firewall Plus Privilege
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======================================================================
Secunia Research 21/12/2004
- My Firewall Plus Privilege Escalation Vulnerability -
======================================================================
Table of Contents
Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10
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1) Affected Software
My Firewall Plus 5.0 (build 1117)
NOTE: Other versions may also be affected.
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2) Severity
Rating: Less Critical
Impact: Privilege Escalation
Where: Local System
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3) Vendor's Description of Software
My Firewall Plus:
"Corporate strength firewall for your personal PC".
Product Link:
http://www.webroot.com/products/myfirewallplus/
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4) Description of Vulnerability
Secunia Research has discovered a vulnerability in My Firewall Plus,
which can be exploited by malicious, local users to gain escalated
privileges.
The vulnerability is caused due to the "Smc.exe" process invoking the
help functionality with SYSTEM privileges.
This can be exploited to execute arbitrary programs on a system with
escalated privileges.
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5) Solution
Apply patch:
http://www.webroot.com/services/MFP_Patch.exe
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6) Time Table
15/11/2004 - Vulnerability discovered.
15/11/2004 - Vendor notified.
15/11/2004 - Vendor response.
16/12/2004 - Vendor issues patch.
21/12/2004 - Public disclosure.
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7) Credits
Discovered by Carsten Eiram, Secunia Research.
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8) References
The Common Vulnerabilities and Exposures (CVE) project has not
currently assigned the vulnerability a candidate number.
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9) About Secunia
Secunia collects, validates, assesses, and writes advisories
regarding all the latest software vulnerabilities disclosed to the
public. These advisories are gathered in a publicly available
database at the Secunia website:
http://secunia.com/
Secunia offers services to our customers enabling them to receive
all relevant vulnerability information to their specific system
configuration.
Secunia offers a FREE mailing list called Secunia Security
Advisories:
http://secunia.com/secunia_security_advisories/
======================================================================
10) Verification
Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2004-16/
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_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.netsys.com/full-disclosure-charter.html
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