Kaspersky Lab Anti-Virus 5.0/6.0 Device Driver memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Kaspersky Lab Anti-Virus 5.0/6.0. This issue affects some unknown processing of the component Device Driver. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2006-4926. The attack needs to be approached locally. In addition, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Kaspersky Lab Anti-Virus 5.0/6.0 (Anti-Malware Software). It has been classified as critical. This affects an unknown code of the component Device Driver. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The NDIS-TDI Hooking Engine, as used in the (1) KLICK (KLICK.SYS) and (2) KLIN (KLIN.SYS) device drivers 2.0.0.281 for in Kaspersky Labs Anti-Virus 6.0.0.303 and other Anti-Virus and Internet Security products, allows local users to execute arbitrary code via crafted Irp structure with invalid addresses in the 0x80052110 IOCTL.

The bug was discovered 10/20/2006. The weakness was presented 10/19/2006 by Ruben Santamarta (Website). It is possible to read the advisory at archives.neohapsis.com. This vulnerability is uniquely identified as CVE-2006-4926 since 09/22/2006. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

After 2 weeks, there has been an exploit disclosed. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 23996 (Kaspersky Labs Anti-Virus IOCTL Local Privilege Escalation), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 20 hours after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (29677), Exploit-DB (2676), Tenable (23996), SecurityFocus (BID 20635†) and OSVDB (29891†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.8
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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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Nessus ID: 23996
Nessus Name: Kaspersky Labs Anti-Virus IOCTL Local Privilege Escalation
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

09/22/2006 🔍
10/19/2006 +27 days 🔍
10/19/2006 +0 days 🔍
10/19/2006 +0 days 🔍
10/19/2006 +0 days 🔍
10/20/2006 +0 days 🔍
10/20/2006 +0 days 🔍
10/20/2006 +0 days 🔍
10/20/2006 +0 days 🔍
10/29/2006 +8 days 🔍
10/31/2006 +2 days 🔍
01/09/2007 +70 days 🔍
03/12/2015 +2984 days 🔍
04/25/2026 +4062 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: Ruben Santamarta
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-4926 (🔍)
GCVE (CVE): GCVE-0-2006-4926
GCVE (VulDB): GCVE-100-32883
X-Force: 29677
SecurityFocus: 20635 - Kaspersky Labs Anti-Virus NDIS-TDI Hooking Engine Local Privilege Escalation Vulnerability
Secunia: 22478
OSVDB: 29891 - Kaspersky Labs Anti-Virus IOCTL Local Privilege Escalation
SecurityTracker: 1017093
Vulnerability Center: 13005 - Multiple Kaspersky Products Kernel Privileges Code Execution IOCTL Vulnerability, High
Vupen: ADV-2006-4117

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

Entryinfo

Created: 03/12/2015 22:21
Updated: 04/25/2026 02:59
Changes: 03/12/2015 22:21 (70), 07/10/2019 10:43 (16), 04/25/2026 02:59 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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