Cisco IOS up to 12.3jea Session Initiation Protocol denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

A vulnerability was found in Cisco IOS up to 12.3jea (Router Operating System) and classified as critical. Affected by this issue is an unknown part of the component Session Initiation Protocol. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

Unspecified vulnerability in Cisco IOS 12.0 through 12.4, when configured with (1) IP Service Level Agreements (SLAs) Responder, (2) Session Initiation Protocol (SIP), (3) H.323 Annex E Call Signaling Transport, or (4) Media Gateway Control Protocol (MGCP) allows remote attackers to cause a denial of service (blocked input queue on the inbound interface) via a crafted UDP packet.

The bug was discovered 03/25/2009. The weakness was disclosed 03/27/2009 (Website). The advisory is shared for download at cisco.com. This vulnerability is handled as CVE-2009-0631 since 02/18/2009. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 49035 (Cisco IOS Software Multiple Features Crafted UDP Packet 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 c.

Applying a patch is able to eliminate this problem. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (49419) and Tenable (49035). The entries 47383, 47382, 47381 and 47380 are pretty similar.

Productinfo

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Support

  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 49035
Nessus Name: Cisco IOS Software Multiple Features Crafted UDP Packet Vulnerability - Cisco Systems
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/18/2009 🔍
03/25/2009 +35 days 🔍
03/25/2009 +0 days 🔍
03/25/2009 +0 days 🔍
03/25/2009 +0 days 🔍
03/25/2009 +0 days 🔍
03/26/2009 +1 days 🔍
03/27/2009 +1 days 🔍
03/27/2009 +0 days 🔍
09/01/2010 +523 days 🔍
03/17/2015 +1658 days 🔍
08/31/2019 +1628 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-0631 (🔍)
OVAL: 🔍

X-Force: 49419
SecurityTracker: 1021904
Vulnerability Center: 21384 - [cisco-sa-20090325-udp] Cisco IOS 12.0 - 12.4YA Remote DoS Vulnerability via Crafted UDP Packets, High
SecurityFocus: 34245 - Cisco IOS Multiple Features UDP Packet Denial of Service Vulnerability
OSVDB: 53137 - CVE-2009-0631 - Cisco - IOS - Unspecified Issue

See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 08/31/2019 14:12
Changes: 03/17/2015 23:38 (73), 08/31/2019 14:12 (5)
Complete: 🔍

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