Vulnerability CVE-2006-4775
Published: 2006-09-13   Modified: 2012-02-12

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.

Type:

CWE-399

 (Resource Management Errors)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Cisco -> Catos 
Cisco -> IOS 

 References:
http://securitytracker.com/id?1016843
http://www.cisco.com/warp/public/707/cisco-sr-20060913-vtp.shtml
http://www.kb.cert.org/vuls/id/175148
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/2006/3600
https://exchange.xforce.ibmcloud.com/vulnerabilities/28925
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