Cisco IOS 15.0/15.1/15.2/15.3/15.4 NAT memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.5	$0-$5k	0.00

A vulnerability, which was classified as critical, has been found in Cisco IOS 15.0/15.1/15.2/15.3/15.4 (Router Operating System). This issue affects an unknown functionality of the component NAT Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability. The summary by CVE is:

The ALG module in Cisco IOS 15.0 through 15.4 does not properly implement SIP over NAT, which allows remote attackers to cause a denial of service (device reload) via multipart SDP IPv4 traffic, aka Bug ID CSCun54071.

The weakness was released 09/24/2014 with Cisco as cisco-sa-20140924-nat as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2014-3361 since 05/07/2014. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 77984 , which helps to determine the existence of the flaw in a target environment. It is .

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (96181) and Tenable (77984).

Productinfo

Type

Router Operating System

Vendor

Cisco

Name

Version

License

commercial

Support

end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 77984
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

05/07/2014 🔍
09/24/2014 +140 days 🔍
09/24/2014 +0 days 🔍
09/24/2014 +0 days 🔍
09/24/2014 +0 days 🔍
09/24/2014 +0 days 🔍
09/25/2014 +1 days 🔍
09/25/2014 +0 days 🔍
09/25/2014 +0 days 🔍
09/30/2014 +5 days 🔍
02/21/2022 +2701 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20140924-nat
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-3361 (🔍)
IAVM: 🔍

X-Force: 96181 - Cisco IOS NAT denial of service, High Risk
SecurityTracker: 1030896 - Cisco IOS NAT SIP Processing Flaw Lets Remote Users Deny Service
Vulnerability Center: 46265 - [cisco-sa-20140924-nat] Cisco IOS Remote DoS due to a Flaw in the NAT Feature - CVE-2014-3361, High
SecurityFocus: 70129 - Cisco IOS Software CVE-2014-3361 Denial of Service Vulnerability

Entryinfo

Created: 09/25/2014 13:05
Updated: 02/21/2022 01:57
Changes: 09/25/2014 13:05 (76), 06/07/2017 11:05 (4), 02/21/2022 01:57 (3)
Complete: 🔍
Cache ID: 3:A44:103