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CVE-2006-0839

5.0 · MEDIUM

The frag3 preprocessor in Sourcefire Snort 2.4.3 does not properly reassemble certain fragmented packets with IP options, which allows remote attackers to evade detection of certain attacks, possib…

Published Feb 22, 2006sourcefireEPSS 1.41%

Overview

CVE-2006-0839 is a medium-severity vulnerability affecting sourcefire snort. It was published on February 22, 2006 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The frag3 preprocessor in Sourcefire Snort 2.4.3 does not properly reassemble certain fragmented packets with IP options, which allows remote attackers to evade detection of certain attacks, possibly related to IP option lengths.

Remediation

Check the references section for vendor advisories and patches from sourcefire. Update snort 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

Refsecunia.com/advisories/18959Refwww.securityfocus.com/archive/1/425290/100/0/threadedRefwww.securityfocus.com/bid/16705Refexchange.xforce.ibmcloud.com/vulnerabilities/24811Refsecunia.com/advisories/18959Refwww.securityfocus.com/archive/1/425290/100/0/threadedRefwww.securityfocus.com/bid/16705Refexchange.xforce.ibmcloud.com/vulnerabilities/24811

How CyberStrike helps

Frequently asked questions

What is CVE-2006-0839?

CVE-2006-0839 is a medium-severity vulnerability affecting sourcefire snort. It was published on February 22, 2006 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2006-0839?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2006-0839?

Check the references section for vendor advisories and patches from sourcefire. Update snort 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-2006-0839?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-0839 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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