Cisco IOS up to R12.x VLAN Trunking Protocol Summary Packet resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS up to R12.x and classified as critical. This affects an unknown function of the component VLAN Trunking Protocol Handler. The manipulation as part of Summary Packet results in resource management. This vulnerability was named CVE-2006-4774. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Cisco IOS up to R12.x (Router Operating System). Affected is an unknown code of the component VLAN Trunking Protocol Handler. The manipulation as part of a Summary Packet leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:

The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) 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.

The weakness was presented 09/14/2006 by Felix Lindner (FX) with Phenoelit (Website). The advisory is available at phenoelit.de. This vulnerability is traded as CVE-2006-4774 since 09/13/2006. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

It is declared as proof-of-concept.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at cisco.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (28924), SecurityFocus (BID 19998†), OSVDB (28775†), Secunia (SA21896†) and SecurityTracker (ID 1016843†). See VDB-2539, VDB-2541, VDB-2540 and VDB-32276 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Patch: cisco.com

Timelineinfo

09/13/2006 🔍
09/13/2006 +0 days 🔍
09/13/2006 +0 days 🔍
09/13/2006 +0 days 🔍
09/14/2006 +1 days 🔍
09/14/2006 +0 days 🔍
09/18/2006 +3 days 🔍
01/14/2025 +6693 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: phenoelit.de
Researcher: Felix Lindner (FX)
Organization: Phenoelit
Status: Confirmed

CVE: CVE-2006-4774 (🔍)
GCVE (CVE): GCVE-0-2006-4774
GCVE (VulDB): GCVE-100-2538

OVAL: 🔍

CERT: 🔍
X-Force: 28924 - Cisco IOS VTP version denial of service, Medium Risk
SecurityFocus: 19998 - Cisco IOS Multiple VLAN Trunking Protocol Vulnerabilities
Secunia: 21896 - Cisco IOS VTP Multiple Vulnerabilities, Moderately Critical
OSVDB: 28775 - Cisco IOS VTP Version Field DoS
SecurityTracker: 1016843
Vupen: ADV-2006-3600

See also: 🔍

Entryinfo

Created: 09/18/2006 11:04
Updated: 01/14/2025 06:54
Changes: 09/18/2006 11:04 (82), 03/30/2019 14:11 (1), 01/14/2025 06:54 (21)
Complete: 🔍
Cache ID: 216:F9F:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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