Secunia Research: My Firewall Plus Privilege Escalation Vulnerability

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                     Secunia Research 21/12/2004

     - My Firewall Plus Privilege Escalation Vulnerability -

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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/

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10) Verification

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2004-16/
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Received on Dec 21 2004