Kerio Personal Firewall 4.2 denial of service

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Kerio Personal Firewall 4.2. This impacts an unknown function. This manipulation causes denial of service. The identification of this vulnerability is CVE-2005-3286. There is no exploit available. It is advisable to implement restrictive firewalling.

Detailsinfo

A vulnerability was found in Kerio Personal Firewall 4.2 (Firewall Software). It has been declared as problematic. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

The FWDRV driver in Kerio Personal Firewall 4.2 and Server Firewall 1.1.1 allows local users to cause a denial of service (crash) by setting the PAGE_NOACCESS or PAGE_GUARD protection on the Page Environment Block (PEB), which triggers an exception, aka the "PEB lockout vulnerability."

The bug was discovered 10/13/2005. The weakness was shared 10/13/2005 by Piotr Bania (Website). The advisory is shared at kerio.com. This vulnerability is known as CVE-2005-3286 since 10/23/2005. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 34038 (Kerio Personal Firewall and ServerFirewall Local Denial of Service Vulnerability).

Proper firewalling of is able to address this issue.

The vulnerability is also documented in the databases at X-Force (22726), SecurityFocus (BID 15094†), OSVDB (19961†), Secunia (SA17155†) and Vulnerability Center (SBV-13348†). The entries VDB-23367, VDB-23695, VDB-24828 and VDB-24259 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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: 4.0

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

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/13/2005 🔍
10/13/2005 +0 days 🔍
10/13/2005 +0 days 🔍
10/13/2005 +0 days 🔍
10/13/2005 +0 days 🔍
10/23/2005 +9 days 🔍
10/23/2005 +0 days 🔍
12/17/2006 +420 days 🔍
03/11/2015 +3006 days 🔍
06/29/2025 +3763 days 🔍

Sourcesinfo

Vendor: kerio.com

Advisory: kerio.com
Researcher: Piotr Bania
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-3286 (🔍)
GCVE (CVE): GCVE-0-2005-3286
GCVE (VulDB): GCVE-100-26629
X-Force: 22726
SecurityFocus: 15094 - Kerio Personal Firewall and ServerFirewall Local Denial of Service Vulnerability
Secunia: 17155
OSVDB: 19961 - Kerio Personal/Server Firewall Driver Memory Locking Local DoS
Vulnerability Center: 13348 - Kerio Personal Firewall 4.2 and Server Firewall 1.1.1 FWDRV Driver Local Denial of Service, Medium

See also: 🔍

Entryinfo

Created: 03/11/2015 23:39
Updated: 06/29/2025 05:42
Changes: 03/11/2015 23:39 (63), 07/11/2019 18:22 (3), 06/29/2025 05:42 (18)
Complete: 🔍
Cache ID: 216:A59:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!