Cisco Catalyst CatOS up to 8.x VLAN Truncing Protocol Summary Paket 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 Catalyst CatOS up to 8.x. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component VLAN Truncing Protocol Summary Paket Handler. Performing a manipulation results in resource management. This vulnerability is identified as CVE-2006-4775. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Cisco Catalyst CatOS up to 8.x. This affects an unknown function of the component VLAN Truncing Protocol Summary Paket Handler. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

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.

The bug was discovered 09/13/2006. The weakness was released 09/14/2006 by Felix Lindner (FX) with Phenoelit (Website). The advisory is shared at phenoelit.de. This vulnerability is uniquely identified as CVE-2006-4775 since 09/13/2006. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly 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 (28925), SecurityFocus (BID 19998†), OSVDB (28776†), Secunia (SA21902†) and SecurityTracker (ID 1016843†). Entries connected to this vulnerability are available at VDB-2539, VDB-2538, VDB-2540 and VDB-32276. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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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: 🔍

0-Day Time: 🔍

Patch: cisco.com

Timelineinfo

09/13/2006 🔍
09/13/2006 +0 days 🔍
09/13/2006 +0 days 🔍
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 🔍
09/14/2006 +0 days 🔍
09/18/2006 +3 days 🔍
09/19/2006 +1 days 🔍
01/14/2025 +6692 days 🔍

Sourcesinfo

Vendor: cisco.com

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

CVE: CVE-2006-4775 (🔍)
GCVE (CVE): GCVE-0-2006-4775
GCVE (VulDB): GCVE-100-2541

OVAL: 🔍

CERT: 🔍
X-Force: 28925 - Cisco IOS VTP wrap configuration manipulation, Medium Risk
SecurityFocus: 19998 - Cisco IOS Multiple VLAN Trunking Protocol Vulnerabilities
Secunia: 21902 - Cisco CatOS VTP Configuration Revision Handling Vulnerability, Less Critical
OSVDB: 28776 - Cisco IOS VTP Revision Integer Wrap DoS
SecurityTracker: 1016843
Vulnerability Center: 12725 - [cisco-sr-20060913-vtp] Cisco IOS 12.1(19) VTP Remote DoS by Sending a Crafted VTP Update, High
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 (87), 07/08/2019 16:28 (2), 01/14/2025 06:54 (21)
Complete: 🔍
Cache ID: 216:405:103

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