Vulnerability Description
The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) and CatOS allows remote attackers to cause a denial of service by sending a VTP update with a revision value of 0x7FFFFFFF, which is incremented to 0x80000000 and is interpreted as a negative number in a signed context.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios | 12.1\(19\) |
| Cisco | Catos | All versions |
Related Weaknesses (CWE)
References
- http://secunia.com/advisories/21896Vendor Advisory
- http://secunia.com/advisories/21902Vendor Advisory
- http://securitytracker.com/id?1016843
- http://www.cisco.com/warp/public/707/cisco-sr-20060913-vtp.shtmlPatch
- http://www.kb.cert.org/vuls/id/175148US Government Resource
- http://www.osvdb.org/28776
- http://www.phenoelit.de/stuff/CiscoVTP.txt
- http://www.securityfocus.com/archive/1/445896/100/0/threaded
- http://www.securityfocus.com/archive/1/445938/100/0/threaded
- http://www.securityfocus.com/bid/19998
- http://www.vupen.com/english/advisories/2006/3600Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/28925
- http://secunia.com/advisories/21896Vendor Advisory
- http://secunia.com/advisories/21902Vendor Advisory
- http://securitytracker.com/id?1016843
FAQ
What is CVE-2006-4775?
CVE-2006-4775 is a vulnerability with a CVSS score of 7.8 (HIGH). The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) and CatOS allows remote attackers to cause a denial of service by sending a VTP update with a revision value of 0x7FFFFFFF, which is incr...
How severe is CVE-2006-4775?
CVE-2006-4775 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-2006-4775?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios, Cisco Catos.