Cisco IOS up to 12.4 resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Cisco IOS up to 12.4. The impacted element is an unknown function. This manipulation causes resource management. This vulnerability appears as CVE-2011-3279. There is no available exploit.

Detailsinfo

A vulnerability was found in Cisco IOS up to 12.4 (Router Operating System). It has been declared as critical. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

The provider-edge MPLS 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) via a malformed SIP packet to UDP port 5060, aka Bug ID CSCti98219.

The weakness was presented 10/03/2011 with Cisco (Website). The advisory is shared at cisco.com. This vulnerability is known as CVE-2011-3279 since 08/29/2011. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/23/2021).

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-33376†). See VDB-58814, VDB-58812, VDB-58811 and VDB-58810 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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: 7.5

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

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / 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-2011-3279 (🔍)
GCVE (CVE): GCVE-0-2011-3279
GCVE (VulDB): GCVE-100-58813

OVAL: 🔍

SecurityFocus: 49822 - Cisco IOS Network Address Translation Multiple Denial of Service Vulnerabilities
Vulnerability Center: 33376 - [cisco-sa-20110928-nat] Cisco IOS Remote DoS Vulnerability via SIP Packets, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/23/2021 07:30
Changes: 03/23/2015 16:50 (55), 04/03/2017 09:46 (11), 11/23/2021 07:30 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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