Cisco 6000/6500/7600 12.x OSI Layer 2 input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Cisco 6000, 6500 and 7600 12.x. This affects an unknown function of the component OSI Layer 2 Handler. The manipulation leads to input validation. This vulnerability is listed as CVE-2004-0244. The attack may be initiated remotely. In addition, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco 6000, 6500 and 7600 12.x. It has been rated as critical. This issue affects some unknown processing of the component OSI Layer 2 Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

Cisco 6000, 6500, and 7600 series systems with Multilayer Switch Feature Card 2 (MSFC2) and a FlexWAN or OSM module allow local users to cause a denial of service (hang or reset) by sending a layer 2 frame packet that encapsulates a layer 3 packet, but has inconsistent length values with that packet.

The bug was discovered 02/04/2004. The weakness was presented 02/03/2004 with Cisco (Website). It is possible to read the advisory at cisco.com. The identification of this vulnerability is CVE-2004-0244. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed in Perl. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 48973 (Cisco 6000/6500/7600 Crafted Layer 2 Frame Vulnerability - Cisco Systems), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l.

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. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (15013), Exploit-DB (23638), Tenable (48973), SecurityFocus (BID 9562†) and OSVDB (3804†). securityfocus.com is providing further details. See VDB-15495, VDB-16074, VDB-16156 and VDB-16414 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

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CPE 2.3info

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CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
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Nessus ID: 48973
Nessus Name: Cisco 6000/6500/7600 Crafted Layer 2 Frame Vulnerability - Cisco Systems
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: cisco.com

Timelineinfo

02/03/2004 🔍
02/03/2004 +0 days 🔍
02/03/2004 +0 days 🔍
02/03/2004 +0 days 🔍
02/04/2004 +1 days 🔍
02/04/2004 +0 days 🔍
02/04/2004 +0 days 🔍
02/05/2004 +0 days 🔍
02/11/2004 +6 days 🔍
11/23/2004 +286 days 🔍
09/01/2010 +2108 days 🔍
12/16/2024 +5220 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Researcher: http://www.cisco.com
Organization: Cisco
Status: Confirmed

CVE: CVE-2004-0244 (🔍)
GCVE (CVE): GCVE-0-2004-0244
GCVE (VulDB): GCVE-100-503

OVAL: 🔍

CERT: 🔍
X-Force: 15013 - Cisco 6000, 6500, and 7600 series systems frame containing a packet denial of service, Medium Risk
SecurityFocus: 9562 - Cisco IOS MSFC2 Malformed Layer 2 Frame Denial Of Service Vulnerability
Secunia: 10780 - Cisco 6000/6500/7600 Series Denial of Service Vulnerability, Less Critical
OSVDB: 3804 - Cisco IOS 6000/6500/7600 Series Layer 2 Frame DoS
SecuriTeam: securiteam.com
Vulnerability Center: 3701 - [cisco-sa-20040203-cat6k] DoS in Cisco IOS MSFC2 via Layer 2 Packets, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
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Entryinfo

Created: 02/05/2004 09:59
Updated: 12/16/2024 03:03
Changes: 02/05/2004 09:59 (92), 06/27/2019 17:12 (4), 10/03/2024 12:56 (17), 12/16/2024 03:03 (3)
Complete: 🔍
Cache ID: 216:647:103

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