Vulnerability Description
The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS before 15.0(1)XA5 allows remote attackers to cause a denial of service (CPU consumption and device hang) by sending many Router Advertisement (RA) messages with different source addresses, as demonstrated by the flood_router6 program in the thc-ipv6 package, aka Bug ID CSCti33534.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios | < 15.0\(1\)xa5 |
Related Weaknesses (CWE)
References
- http://events.ccc.de/congress/2010/Fahrplan/events/3957.en.htmlExploitThird Party Advisory
- http://mirror.fem-net.de/CCC/27C3/mp3-audio-only/27c3-3957-en-ipv6_insecurities.ExploitThird Party Advisory
- http://mirror.fem-net.de/CCC/27C3/mp4-h264-HQ/27c3-3957-en-ipv6_insecurities.mp4Third Party Advisory
- http://www.ciscosystems.com/en/US/docs/ios/15_0/15_0x/15_01_XA/rn800xa.pdfBroken Link
- http://www.securityfocus.com/bid/45760Third Party AdvisoryVDB Entry
- http://www.youtube.com/watch?v=00yjWB6gGy8Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64589Third Party AdvisoryVDB Entry
- http://events.ccc.de/congress/2010/Fahrplan/events/3957.en.htmlExploitThird Party Advisory
- http://mirror.fem-net.de/CCC/27C3/mp3-audio-only/27c3-3957-en-ipv6_insecurities.ExploitThird Party Advisory
- http://mirror.fem-net.de/CCC/27C3/mp4-h264-HQ/27c3-3957-en-ipv6_insecurities.mp4Third Party Advisory
- http://www.ciscosystems.com/en/US/docs/ios/15_0/15_0x/15_01_XA/rn800xa.pdfBroken Link
- http://www.securityfocus.com/bid/45760Third Party AdvisoryVDB Entry
- http://www.youtube.com/watch?v=00yjWB6gGy8Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64589Third Party AdvisoryVDB Entry
FAQ
What is CVE-2010-4671?
CVE-2010-4671 is a vulnerability with a CVSS score of 7.8 (HIGH). The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS before 15.0(1)XA5 allows remote attackers to cause a denial of service (CPU consumption and device hang) by sending m...
How severe is CVE-2010-4671?
CVE-2010-4671 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2010-4671?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios.