Cisco IOS up to 12.3jea Authentication Proxy denial of service

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

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cisco IOS up to 12.3jea. Affected by this issue is some unknown functionality of the component Authentication Proxy. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2009-0630. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco IOS up to 12.3jea (Router Operating System). Affected by this issue is some unknown functionality of the component Authentication Proxy. 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:

The (1) Cisco Unified Communications Manager Express; (2) SIP Gateway Signaling Support Over Transport Layer Security (TLS) Transport; (3) Secure Signaling and Media Encryption; (4) Blocks Extensible Exchange Protocol (BEEP); (5) Network Admission Control HTTP Authentication Proxy; (6) Per-user URL Redirect for EAPoUDP, Dot1x, and MAC Authentication Bypass; (7) Distributed Director with HTTP Redirects; and (8) TCP DNS features in Cisco IOS 12.0 through 12.4 do not properly handle IP sockets, which allows remote attackers to cause a denial of service (outage or resource consumption) via a series of crafted TCP packets.

The bug was discovered 03/25/2009. The weakness was presented 03/27/2009 (Website). The advisory is available at cisco.com. This vulnerability is handled as CVE-2009-0630 since 02/18/2009. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 49030 (Cisco IOS Software Multiple Features IP Sockets Vulnerability), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43153 (Cisco IOS Software Multiple Features IP Sockets Vulnerability (cisco-sa-20090325-ip)).

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 (49418), Tenable (49030), SecurityFocus (BID 34242†), OSVDB (53135†) and Secunia (SA34438†). See VDB-47383, VDB-47382, VDB-47381 and VDB-47380 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 49030
Nessus Name: Cisco IOS Software Multiple Features IP Sockets Vulnerability
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

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 🔍
03/26/2009 +0 days 🔍
03/27/2009 +1 days 🔍
03/27/2009 +0 days 🔍
09/01/2010 +523 days 🔍
03/17/2015 +1658 days 🔍
05/09/2025 +3706 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-0630 (🔍)
GCVE (CVE): GCVE-0-2009-0630
GCVE (VulDB): GCVE-100-47378
X-Force: 49418
SecurityFocus: 34242 - Cisco IOS Multiple Features IP Sockets Denial Of Service Vulnerability
Secunia: 34438 - Cisco IOS Multiple Vulnerabilities, Moderately Critical
OSVDB: 53135 - CVE-2009-0630 - Cisco - IOS - Denial of Service Issue
SecurityTracker: 1021897
Vulnerability Center: 21386 - [cisco-sa-20090325-ip] Cisco IOS 12.0 - 12.4XY Multiple Features IP Socket Remote DoS Vulnerability, High
Vupen: ADV-2009-0851

See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 05/09/2025 17:17
Changes: 03/17/2015 23:38 (77), 08/31/2019 14:22 (5), 05/09/2025 17:17 (18)
Complete: 🔍
Cache ID: 216::103

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

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