Cisco IOS MPLS denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Cisco IOS. This impacts an unknown function of the component MPLS Handler. Executing a manipulation can lead to denial of service. This vulnerability appears as CVE-2007-1258. The attacker needs to be present on the local network. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Cisco IOS (Router Operating System) (version unknown). It has been declared as problematic. This vulnerability affects an unknown function of the component MPLS Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

Unspecified vulnerability in Cisco IOS 12.2SXA, SXB, SXD, and SXF; and the MSFC2, MSFC2a and MSFC3 running in Hybrid Mode on Cisco Catalyst 6000, 6500 and Cisco 7600 series systems; allows remote attackers on a local network segment to cause a denial of service (software reload) via a certain MPLS packet.

The weakness was presented 03/01/2007 with Cisco (Website). The advisory is shared for download at cisco.com. This vulnerability was named CVE-2007-1258 since 03/03/2007. The attack needs to approached within the local network. There are neither technical details nor an exploit publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 24736 (Cisco Catalyst Hybrid Mode Malformed MPLS Packet Remote DoS (CSCsd37415, CSCef90002)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO, running in the context l and relying on port 161. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43298 (Cisco IOS MPLS Packet Denial of Service Vulnerability (cisco-sa-20070228-mpls)).

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 before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (32748), Tenable (24736), SecurityFocus (BID 22750†), OSVDB (33067†) and Secunia (SA24348†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.8
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 24736
Nessus Name: Cisco Catalyst Hybrid Mode Malformed MPLS Packet Remote DoS (CSCsd37415, CSCef90002)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: cisco.com

Timelineinfo

02/28/2007 🔍
02/28/2007 +0 days 🔍
02/28/2007 +0 days 🔍
02/28/2007 +0 days 🔍
03/01/2007 +1 days 🔍
03/01/2007 +0 days 🔍
03/01/2007 +0 days 🔍
03/01/2007 +0 days 🔍
03/03/2007 +1 days 🔍
03/03/2007 +0 days 🔍
03/05/2007 +2 days 🔍
03/07/2007 +2 days 🔍
06/09/2025 +6669 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Organization: Cisco
Status: Confirmed

CVE: CVE-2007-1258 (🔍)
GCVE (CVE): GCVE-0-2007-1258
GCVE (VulDB): GCVE-100-2968

OVAL: 🔍

X-Force: 32748 - Cisco Catalyst MPLS packet denial of service, Medium Risk
SecurityFocus: 22750 - Cisco Catalyst MPLS Packet Handling Denial of Service Vulnerability
Secunia: 24348 - Cisco Products MPLS Denial of Service Vulnerability, Less Critical
OSVDB: 33067 - Cisco Catalyst Hybrid Mode Malformed MPLS Packet Remote DoS
SecurityTracker: 1017709 - Cisco Catalyst 6000 and 6500 and Cisco 7600 MPLS Bug Lets Remote Users Deny Service
Vulnerability Center: 14522 - [cisco-sa-20070228-mpls] Cisco IOS Running in Hybrid Mode Local Network DoS via MPLS Packet, Medium
Vupen: ADV-2007-0782

Entryinfo

Created: 03/07/2007 09:52
Updated: 06/09/2025 08:00
Changes: 03/07/2007 09:52 (81), 06/07/2017 14:55 (11), 03/15/2021 10:26 (3), 06/09/2025 08:00 (16)
Complete: 🔍
Cache ID: 216:C0D:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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