Microsoft Windows Neighbor Discovery (ND) protocol denial of service
| ms-win-nd-protocol-dos (64583) |  Medium Risk |
Description:
Microsoft Windows is vulnerable to a denial of service, caused by an error in the Neighbor Discovery (ND) protocol implementation in the IPv6 stack. By sending Router Advertisement (RA) messages with different source addresses, a remote attacker could exploit this vulnerability to consume all available CPU resources and cause the system to hang.
*CVSS:
| Base Score: | 7.8 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Complete |
| Temporal Score: | 5.8 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Upgrade to the latest version of Cisco Ios 15.0(1)XA5, available from the Cisco Web site. See References.
References:
- Chaos Communication Congress Web page: Recent advances in IPv6 insecurities.
- Microsoft Web site: Microsoft Windows.
- BID-45760: Multiple Vendors IPv6 Neighbor Discovery Router Advertisement Remote Denial of Service Vulnerability
- CVE-2010-4669: The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Microsoft Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, and Windows 7 allows remote attackers to cause a denial of service (CPU consumption and system hang) by sending many Router Advertisement (RA) messages with different source addresses, as demonstrated by the flood_router6 program in the thc-ipv6 package.
Platforms Affected:
- Microsoft Windows 2003 Server
- Microsoft Windows 7
- Microsoft Windows Server 2008
- Microsoft Windows Vista
- Microsoft Windows XP
Reported:
Dec 27, 2010
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.