Kerio Personal Firewall up to 4.3.26x kpf4ss.exe api denial of service

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Kerio Personal Firewall up to 4.3.26x. Affected by this issue is the function api of the file kpf4ss.exe. Such manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2006-3787. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Kerio Personal Firewall up to 4.3.26x (Firewall Software). It has been rated as problematic. Affected by this issue is the function api of the file kpf4ss.exe. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

kpf4ss.exe in Sunbelt Kerio Personal Firewall 4.3.x before 4.3.268 does not properly hook the CreateRemoteThread API function, which allows local users to cause a denial of service (crash) and bypass protection mechanisms by calling CreateRemoteThread.

The weakness was disclosed 07/24/2006 by David Matousek (Website). The advisory is shared for download at vupen.com. This vulnerability is handled as CVE-2006-3787 since 07/21/2006. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

The exploit is available at securityfocus.com. It is declared as proof-of-concept.

Upgrading to version 4.3.x eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (28228), SecurityFocus (BID 18996†) and Secunia (SA21060†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.6

VulDB Base Score: 4.0
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Personal Firewall 4.3.x

Timelineinfo

07/15/2006 🔍
07/17/2006 +2 days 🔍
07/21/2006 +4 days 🔍
07/24/2006 +3 days 🔍
07/24/2006 +0 days 🔍
03/12/2015 +3153 days 🔍
01/02/2025 +3584 days 🔍

Sourcesinfo

Vendor: kerio.com

Advisory: vupen.com⛔
Researcher: David Matousek
Status: Confirmed

CVE: CVE-2006-3787 (🔍)
GCVE (CVE): GCVE-0-2006-3787
GCVE (VulDB): GCVE-100-31472
SecurityFocus: 18996 - Sunbelt Kerio Personal Firewall CreateRemoteThread Denial of Service Vulnerability
Secunia: 21060 - Kerio Personal Firewall Engine Denial of Service, Not Critical
Vupen: ADV-2006-2828

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/12/2015 14:25
Updated: 01/02/2025 02:10
Changes: 03/12/2015 14:25 (56), 09/17/2017 11:29 (7), 01/02/2025 02:10 (19)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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