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Secunia Security Advisory 24677

Secunia Security Advisory 24677
Posted Apr 2, 2007
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Matousec has discovered a vulnerability in Symantec Norton Personal Firewall 2006, which can be exploited by malicious, local users to cause a DoS (Denial of Service).

tags | advisory, denial of service, local
SHA-256 | 9619cd465d4a330a6524b3f4de2380622fa64c94dbf6973eec867aa6ce9f2f56

Secunia Security Advisory 24677

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Secunia is looking for new researchers with a reversing background
and experience in writing exploit code:
http://secunia.com/hardcore_disassembler_and_reverse_engineer/
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http://secunia.com/Linux_Security_Specialist/

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TITLE:
Symantec Norton Personal Firewall Hooked Functions Denial of Service

SECUNIA ADVISORY ID:
SA24677

VERIFY ADVISORY:
http://secunia.com/advisories/24677/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
Local system

SOFTWARE:
Symantec Norton Personal Firewall 2006
http://secunia.com/product/6638/

DESCRIPTION:
Matousec has discovered a vulnerability in Symantec Norton Personal
Firewall 2006, which can be exploited by malicious, local users to
cause a DoS (Denial of Service).

The vulnerability is caused due to an input validation error in
SPBBCDrv.sys when handling parameters of certain hooked functions.
This can be exploited to crash the system by calling NtCreateMutant
or NtOpenEvent with specially crafted parameters.

The vulnerability is confirmed in version 9.0.0.73 and also reported
in versions 9.1.1.7 and 9.1.0.33. Other versions may also be
affected.

SOLUTION:
Restrict access to trusted users only.

PROVIDED AND/OR DISCOVERED BY:
Matousec Transparent Security

ORIGINAL ADVISORY:
Matousec Transparent Security:
http://www.matousec.com/info/advisories/Norton-Multiple-insufficient-argument-validation-of-hooked-SSDT-functions.php

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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