CVE-2006-4774

The VLAN Trunking Protocol VTP feature in Cisco IOS 12.119 allows remote attackers to cause a denial of service by sending a VTP version 1 summary frame with a VTP version field value of 2...

CVE-2006-4775

The VLAN Trunking Protocol VTP feature in Cisco IOS 12.119 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...

CVE-2006-4774

Cisco IOS VLAN Trunking Protocol (VTP) vulnerability CVE-2006-4774 affects devices that run VTP in server or client mode and process crafted VTP summary packets on a trunk-enabled port. An unauthenticated remote attacker on the local network can cause a denial-of-service, potentially forcing a sw...

CVE-2006-4774

The VLAN Trunking Protocol VTP feature in Cisco IOS 12.119 allows remote attackers to cause a denial of service by sending a VTP version 1 summary frame with a VTP version field value of 2...

CVE-2006-4775

The VLAN Trunking Protocol VTP feature in Cisco IOS 12.119 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...

CVE-2006-4775

CVE-2006-4775 : Cisco IOS and Catalyst OS VTP DoS due to an integer wrap when processing a crafted VTP summary packet (revision 0x7FFFFFFF). An authenticated, remote attacker on the network could cause the device to stop processing configuration changes, potentially disrupting VLAN propagation. I...

Re: Cisco IOS VTP issues

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, This is a Cisco response to an advisory published by FX of Phenoelit posted as of September 13, 2006 at: http://www.securityfocus.com/archive/1/445896/30/0/threaded and entitled "Cisco Systems IOS VTP multiple vulnerabilities". An official...

Cisco routers and Catalist switches multiple VTP security vulnerabilities

DoS, integer overflow and buffer oveflow on VTP VLAN Trunking Protocol packets parsing...

CVE-2006-4776

Cisco IOS CVE-2006-4776 is a heap-based buffer overflow in the VLAN Trunking Protocol (VTP) VLAN name handling (long VLAN name in VTP type 2 summary advertisement) that could allow a remote attacker to execute arbitrary code. Affected software: Cisco IOS 12.1(19) with VTP enabled; trigger require...

Cisco IOS VTP Malformed Version Denial of Service Vulnerability

Cisco IOS contains a vulnerability in the VLAN Trunking Protocol VTP that could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerability exists because the VTP feature in several versions of Cisco IOS software does not properly handle malformed packe...

Cisco IOS VTP Integer Wrap Denial of Service Vulnerability

Cisco IOS and Cisco Catalyst OS contain an integer overflow vulnerability that could allow an authenticated, remote attacker to cause affected devices to stop processing configuration changes, possibly resulting in a denial of service DoS condition. This vulnerability exists due to an integer...

Cisco IOS VTP VLAN Buffer Overflow Vulnerability

Cisco IOS contains a vulnerability that could allow an authenticated, remote attacker to execute arbitrary code. The vulnerability exists due to improper input validation by the VTP feature of Cisco IOS. An authenticated, remote attacker could exploit this vulnerability by submitting a malicious...

[email protected], [email protected], [email protected]

Phenoelit Advisory wir-haben-auch-mal-was-gefunden 0815 +---+ Title Cisco Systems IOS VTP multiple vulnerabilities Authors FX [email protected] Phenoelit Group http://www.phenoelit.de Advisory http://www.phenoelit.de/stuff/CiscoVTP.txt Affected Products Cisco IOS and CatOS Tested on: C3550 IOS 12.1...