CVE-2006-4775

Summary

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 Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://www.phenoelit.de/stuff/CiscoVTP.txt
• http://secunia.com/advisories/21896
• http://www.securityfocus.com/bid/19998
• http://www.osvdb.org/28776
• http://www.cisco.com/warp/public/707/cisco-sr-20060913-vtp.shtml
• http://securitytracker.com/id?1016843
• http://www.securityfocus.com/archive/1/445938/100/0/threaded
• http://www.vupen.com/english/advisories/2006/3600
• https://exchange.xforce.ibmcloud.com/vulnerabilities/28925
• http://www.kb.cert.org/vuls/id/175148
• http://www.securityfocus.com/archive/1/445896/100/0/threaded
• http://secunia.com/advisories/21902

References

• http://www.phenoelit.de/stuff/CiscoVTP.txt
• http://secunia.com/advisories/21896
• http://www.securityfocus.com/bid/19998
• http://www.osvdb.org/28776
• http://www.cisco.com/warp/public/707/cisco-sr-20060913-vtp.shtml
• http://securitytracker.com/id?1016843
• http://www.securityfocus.com/archive/1/445938/100/0/threaded
• http://www.vupen.com/english/advisories/2006/3600
• https://exchange.xforce.ibmcloud.com/vulnerabilities/28925
• http://www.kb.cert.org/vuls/id/175148
• http://www.securityfocus.com/archive/1/445896/100/0/threaded
• http://secunia.com/advisories/21902

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