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CVE-2009-4114

4.9 · MEDIUM

kl1.sys in Kaspersky Anti-Virus 2010 9.0.0.463, and possibly other versions before 9.0.0.736, does not properly validate input to IOCTL 0x0022c008, which allows local users to cause a denial of ser…

Published Nov 30, 2009kasperskyCWE-20EPSS 0.83%

Overview

CVE-2009-4114 is a medium-severity vulnerability affecting kaspersky kaspersky_anti-virus. It was published on November 30, 2009 and has a CVSS 2.0 base score of 4.9 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.9, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

kl1.sys in Kaspersky Anti-Virus 2010 9.0.0.463, and possibly other versions before 9.0.0.736, does not properly validate input to IOCTL 0x0022c008, which allows local users to cause a denial of service (system crash) via IOCTL requests using crafted kernel addresses that trigger memory corruption, possibly related to klavemu.kdl.

Remediation

Check the references section for vendor advisories and patches from kaspersky. Update kaspersky_anti-virus to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refosvdb.org/60207Refsecunia.com/advisories/37398Refsysdream.com/article.php?story_id=323&section_id=78Refwww.securityfocus.com/archive/1/507933/100/0/threadedRefwww.securityfocus.com/bid/37044Refwww.securitytracker.com/id?1023198Refwww.vupen.com/english/advisories/2009/3286Refexchange.xforce.ibmcloud.com/vulnerabilities/54309Refosvdb.org/60207Refsecunia.com/advisories/37398

How CyberStrike helps

Frequently asked questions

What is CVE-2009-4114?

CVE-2009-4114 is a medium-severity vulnerability affecting kaspersky kaspersky_anti-virus. It was published on November 30, 2009 and has a CVSS 2.0 base score of 4.9 (MEDIUM).

How severe is CVE-2009-4114?

This vulnerability has a CVSS 2.0 base score of 4.9, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-4114?

Check the references section for vendor advisories and patches from kaspersky. Update kaspersky_anti-virus to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-4114?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-4114 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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