Kaspersky Anti-Virus 6.0/7.0 Driver kl1.sys IOCTL 0x800520e8 Call memory corruption

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.
5.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Kaspersky Anti-Virus 6.0/7.0. The affected element is an unknown function of the file kl1.sys of the component Driver. Executing a manipulation as part of IOCTL 0x800520e8 Call can lead to memory corruption. The identification of this vulnerability is CVE-2008-1518. The attack can only be executed locally. Furthermore, there is an exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Kaspersky Anti-Virus 6.0/7.0 (Anti-Malware Software). It has been declared as problematic. This vulnerability affects an unknown function of the file kl1.sys of the component Driver. The manipulation as part of a IOCTL 0x800520e8 Call leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in kl1.sys in Kaspersky Anti-Virus 6.0 and 7.0 and Internet Security 6.0 and 7.0 allows local users to gain privileges via an IOCTL 0x800520e8 call.

The bug was discovered 06/03/2008. The weakness was shared 06/04/2008 by Tobias Klein with iDefense (Website). The advisory is shared for download at labs.idefense.com. The vendor cooperated in the coordination of the public release. This vulnerability was named CVE-2008-1518 since 03/25/2008. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. Technical details and also a private exploit are known.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 76 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 33094 (Kaspersky Multiple Products kl1.sys Driver Local Overflow), 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.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at kaspersky.com. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (42849), Tenable (33094), SecurityFocus (BID 29544†), OSVDB (45958†) and Secunia (SA30534†). Additional details are provided at archives.neohapsis.com. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.8
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 33094
Nessus Name: Kaspersky Multiple Products kl1.sys Driver Local Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍

Patch: kaspersky.com

Timelineinfo

03/19/2008 🔍
03/20/2008 +1 days 🔍
03/25/2008 +5 days 🔍
06/03/2008 +70 days 🔍
06/03/2008 +0 days 🔍
06/04/2008 +1 days 🔍
06/04/2008 +0 days 🔍
06/04/2008 +0 days 🔍
06/04/2008 +0 days 🔍
06/05/2008 +1 days 🔍
06/05/2008 +0 days 🔍
06/05/2008 +0 days 🔍
06/10/2008 +5 days 🔍
06/19/2008 +9 days 🔍
08/11/2019 +4070 days 🔍

Sourcesinfo

Vendor: kaspersky.com

Advisory: labs.idefense.com
Researcher: Tobias Klein
Organization: iDefense
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2008-1518 (🔍)
GCVE (CVE): GCVE-0-2008-1518
GCVE (VulDB): GCVE-100-3724
X-Force: 42849 - Kaspersky Internet Security kl1.sys buffer overflow, High Risk
SecurityFocus: 29544 - Multiple Kaspersky Products 'kl1.sys' Local Stack Based Buffer Overflow Vulnerability
Secunia: 30534
OSVDB: 45958 - Kaspersky Multiple Products kl1.sys Driver Local Overflow
SecurityTracker: 1020196
Vulnerability Center: 18563 - Kaspersky Anti-Virus and Internet Security Allows Local Users to Execute Code and Cause DoS, Medium
Vupen: ADV-2008-1739

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

Entryinfo

Created: 06/19/2008 15:03
Updated: 08/11/2019 11:36
Changes: 06/19/2008 15:03 (93), 08/11/2019 11:36 (9)
Complete: 🔍
Cache ID: 216:DEE:103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!