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 described as problematic has been identified in Cisco IOS up to 12.4. The affected element is an unknown function. The manipulation results in denial of service. This vulnerability is reported as CVE-2011-3278. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Cisco IOS up to 12.4 (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:

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) by sending crafted SIP packets to UDP port 5060, aka Bug ID CSCti48483.

The weakness was disclosed 10/03/2011 with Cisco (Website). The advisory is shared for download at cisco.com. This vulnerability is traded as CVE-2011-3278 since 08/29/2011. 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. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/23/2021). The MITRE ATT&CK project declares the attack technique as T1499.

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-33375†). The entries VDB-58814, VDB-58813, VDB-58811 and VDB-58810 are pretty similar. Once again VulDB remains the best source for vulnerability data.

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: 🔍

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 🔍
10/02/2011 +4 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-2011-3278 (🔍)
GCVE (CVE): GCVE-0-2011-3278
GCVE (VulDB): GCVE-100-58812
SecurityFocus: 49822 - Cisco IOS Network Address Translation Multiple Denial of Service Vulnerabilities
Vulnerability Center: 33375 - [cisco-sa-20110928-nat] Cisco IOS Remote DoS Vulnerability via UDP Packets Sent to Port 5060, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/23/2021 07:25
Changes: 03/23/2015 16:50 (53), 04/07/2017 18:26 (12), 11/23/2021 07:25 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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