Cisco IOS up to 12.4xv 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 described as problematic has been identified in Cisco IOS. This impacts an unknown function. The manipulation results in denial of service. This vulnerability is identified as CVE-2008-2739. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Cisco IOS (Router Operating System). It has been classified as critical. Affected is an unknown code block. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

The SERVICE.DNS signature engine in the Intrusion Prevention System (IPS) in Cisco IOS 12.3 and 12.4 allows remote attackers to cause a denial of service (device crash or hang) via network traffic that triggers unspecified IPS signatures, a different vulnerability than CVE-2008-1447.

The bug was discovered 09/24/2008. The weakness was released 09/26/2008 with Cisco (Website). The advisory is shared for download at cisco.com. This vulnerability is traded as CVE-2008-2739 since 06/16/2008. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. 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 49019 (Cisco IOS IPS Denial of Service 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43149 (Cisco IOS IPS Denial of Service Vulnerability (cisco-sa-20080924-iosips)).

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 (45384), Tenable (49019), SecurityFocus (BID 31364†), OSVDB (48711†) and Secunia (SA31990†). Entries connected to this vulnerability are available at VDB-44214, VDB-44213, VDB-44212 and VDB-44211. Once again VulDB remains the best source for vulnerability data.

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: 6.7

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: 49019
Nessus Name: Cisco IOS IPS Denial of Service Vulnerability - Cisco Systems
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

06/16/2008 🔍
09/24/2008 +100 days 🔍
09/24/2008 +0 days 🔍
09/24/2008 +0 days 🔍
09/24/2008 +0 days 🔍
09/25/2008 +1 days 🔍
09/26/2008 +1 days 🔍
09/26/2008 +0 days 🔍
09/01/2010 +705 days 🔍
03/17/2015 +1658 days 🔍
05/27/2025 +3724 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Organization: Cisco
Status: Confirmed

CVE: CVE-2008-2739 (🔍)
GCVE (CVE): GCVE-0-2008-2739
GCVE (VulDB): GCVE-100-44196

OVAL: 🔍

X-Force: 45384
SecurityFocus: 31364 - Cisco IOS IPS 'SERVICE.DNS' Remote Denial of Service Vulnerability
Secunia: 31990
OSVDB: 48711 - CVE-2008-2739 - Cisco - IOS - Denial of Service Issue
Vulnerability Center: 19579 - [cisco-sa-20080924-iosips] Cisco IOS IPS Remote DoS Vulnerability, High
Vupen: ADV-2008-2670

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 05/27/2025 02:59
Changes: 03/17/2015 16:11 (64), 08/17/2019 16:12 (11), 05/27/2025 02:59 (20)
Complete: 🔍
Cache ID: 216::103

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