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

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.9 | $0-$5k | 0.00 |
Summary
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.
Details
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.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kaspersky.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.8VulDB Meta Temp Score: 5.9
VulDB Base Score: 6.8
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: 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-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 33094
Nessus Name: Kaspersky Multiple Products kl1.sys Driver Local Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Patch: kaspersky.com
Timeline
03/19/2008 🔍03/20/2008 🔍
03/25/2008 🔍
06/03/2008 🔍
06/03/2008 🔍
06/04/2008 🔍
06/04/2008 🔍
06/04/2008 🔍
06/04/2008 🔍
06/05/2008 🔍
06/05/2008 🔍
06/05/2008 🔍
06/10/2008 🔍
06/19/2008 🔍
08/11/2019 🔍
Sources
Vendor: kaspersky.comAdvisory: 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.: 🔍
Entry
Created: 06/19/2008 15:03Updated: 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.
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