CVEvulnerability
CVE-2006-4775
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2006-09-14
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-399
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.
Affected configurations
• cisco ios 12.1\(19\)
• cisco catos
Related
Weakness · not in database (1)
References
- http://secunia.com/advisories/21896 Vendor Advisory
- http://secunia.com/advisories/21902 Vendor Advisory
- http://securitytracker.com/id?1016843 securitytracker.com
- http://www.cisco.com/warp/public/707/cisco-sr-20060913-vtp.shtml Patch
- http://www.kb.cert.org/vuls/id/175148 US Government Resource
- http://www.osvdb.org/28776 www.osvdb.org
- http://www.phenoelit.de/stuff/CiscoVTP.txt www.phenoelit.de
- http://www.securityfocus.com/archive/1/445896/100/0/threaded www.securityfocus.com
- http://www.securityfocus.com/archive/1/445938/100/0/threaded www.securityfocus.com
- http://www.securityfocus.com/bid/19998 www.securityfocus.com
- http://www.vupen.com/english/advisories/2006/3600 Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/28925 exchange.xforce.ibmcloud.com
- http://secunia.com/advisories/21896 Vendor Advisory
- http://secunia.com/advisories/21902 Vendor Advisory
- http://securitytracker.com/id?1016843 securitytracker.com
- http://www.cisco.com/warp/public/707/cisco-sr-20060913-vtp.shtml Patch
- http://www.kb.cert.org/vuls/id/175148 US Government Resource
- http://www.osvdb.org/28776 www.osvdb.org
- http://www.phenoelit.de/stuff/CiscoVTP.txt www.phenoelit.de
- http://www.securityfocus.com/archive/1/445896/100/0/threaded www.securityfocus.com
- http://www.securityfocus.com/archive/1/445938/100/0/threaded www.securityfocus.com
- http://www.securityfocus.com/bid/19998 www.securityfocus.com
- http://www.vupen.com/english/advisories/2006/3600 Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/28925 exchange.xforce.ibmcloud.com