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CVE-2005-1649

5.0 · MEDIUM

The IPv6 support in Windows XP SP2, 2003 Server SP1, and Longhorn, with Windows Firewall turned off, allows remote attackers to cause a denial of service (CPU consumption) via a TCP packet with the…

Published May 18, 2005microsoftEPSS 21.78%

Overview

CVE-2005-1649 is a medium-severity vulnerability affecting microsoft windows_2003_server. It was published on May 18, 2005 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 IPv6 support in Windows XP SP2, 2003 Server SP1, and Longhorn, with Windows Firewall turned off, allows remote attackers to cause a denial of service (CPU consumption) via a TCP packet with the SYN flag set and the same destination and source address and port, a variant of CVE-2005-0688 and a reoccurrence of the "Land" vulnerability (CVE-1999-0016).

Remediation

Check the references section for vendor advisories and patches from microsoft. Update windows_2003_server 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

Refwww.ntbugtraq.com/default.aspx?pid=36&sid=1&A2=ind0505&L=NTBUGTRAQ&P=R409&D=0&F=N&H=0&O=D&T=0Refwww.securityfocus.com/bid/13658Refwww.vupen.com/english/advisories/2005/0559Refwww.ntbugtraq.com/default.aspx?pid=36&sid=1&A2=ind0505&L=NTBUGTRAQ&P=R409&D=0&F=N&H=0&O=D&T=0Refwww.securityfocus.com/bid/13658Refwww.vupen.com/english/advisories/2005/0559

How CyberStrike helps

Frequently asked questions

What is CVE-2005-1649?

CVE-2005-1649 is a medium-severity vulnerability affecting microsoft windows_2003_server. It was published on May 18, 2005 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2005-1649?

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-2005-1649?

Check the references section for vendor advisories and patches from microsoft. Update windows_2003_server 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-2005-1649?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2005-1649 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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