Cisco IOS up to 12.4 denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Cisco IOS up to 12.4. This issue affects some unknown processing. Executing a manipulation can lead to denial of service. This vulnerability is registered as CVE-2011-3276. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in Cisco IOS up to 12.4 (Router Operating System) and classified as critical. This vulnerability affects an unknown part. 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 the NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (device reload or hang) by sending crafted SIP packets to TCP port 5060, aka Bug ID CSCso02147.

The weakness was published 10/03/2011 with Cisco (Website). The advisory is available at cisco.com. This vulnerability was named CVE-2011-3276 since 08/29/2011. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/23/2021). This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 56318 (Cisco IOS Software Network Address Translation Vulnerabilities (cisco-sa-20110928-nat)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43218 (Cisco IOS Software Network Address Translation Vulnerabilities (cisco-sa-20110928-nat)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (56318), SecurityFocus (BID 49822†) and Vulnerability Center (SBV-33372†). Similar entries are available at VDB-58814, VDB-58813, VDB-58812 and VDB-58811. 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: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
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: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 56318
Nessus Name: Cisco IOS Software Network Address Translation Vulnerabilities (cisco-sa-20110928-nat)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/29/2011 🔍
09/28/2011 +30 days 🔍
09/28/2011 +0 days 🔍
09/29/2011 +1 days 🔍
10/02/2011 +3 days 🔍
10/03/2011 +1 days 🔍
10/03/2011 +0 days 🔍
03/23/2015 +1267 days 🔍
11/23/2021 +2437 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Organization: Cisco
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-3276 (🔍)
GCVE (CVE): GCVE-0-2011-3276
GCVE (VulDB): GCVE-100-58810
SecurityFocus: 49822 - Cisco IOS Network Address Translation Multiple Denial of Service Vulnerabilities
Vulnerability Center: 33372 - [cisco-sa-20110928-nat] Cisco IOS Remote DoS Vulnerability via Crafted SIP Packets, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/23/2021 07:14
Changes: 03/23/2015 16:50 (55), 04/07/2017 18:27 (12), 11/23/2021 07:14 (2)
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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