Cisco IOS/IOS XE Multicast DNS Gateway os command injection

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, was found in Cisco IOS and IOS XE (Router Operating System) (affected version not known). Affected is some unknown functionality of the component Multicast DNS Gateway Handler. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on availability.

The weakness was disclosed 09/24/2014 with Cisco as cisco-sa-20140924-mdns as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2014-3357 since 05/07/2014. 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 MITRE ATT&CK project declares the attack technique as T1202.

The vulnerability scanner Nessus provides a plugin with the ID 78030 , which helps to determine the existence of the flaw in a target environment. It is . The commercial vulnerability scanner Qualys is able to test this issue with plugin 43417 (Cisco IOS Software Multicast Domain Name System Multiple Vulnerabilities (cisco-sa-20140924-mdns)).

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 (96182) and Tenable (78030). The entry 67693 is pretty similar.

Productinfo

Type

Router Operating System

Vendor

Cisco

Name

License

commercial

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

VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-74 / CWE-707
ATT&CK: T1202

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: 78030
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

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 🔍
10/02/2014 +7 days 🔍
02/21/2022 +2699 days 🔍

Sourcesinfo

Vendor: cisco.com

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

CVE: CVE-2014-3357 (🔍)
IAVM: 🔍

X-Force: 96182 - Cisco IOS mDNS denial of service, High Risk
SecurityTracker: 1030898 - Cisco IOS mDNS Bugs Let Remote Users Deny Service
Vulnerability Center: 46259 - [cisco-sa-20140924-mdns] Cisco IOS and IOS XE Remote DoS via a Malformed mDNS Packet - CVE-2014-3357, High
SecurityFocus: 70132 - Cisco IOS and IOS XE Software CVE-2014-3357 Multicast DNS Gateway Denial of Service Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 09/25/2014 13:08
Updated: 02/21/2022 02:12
Changes: 09/25/2014 13:08 (76), 06/07/2017 09:05 (4), 02/21/2022 02:04 (3), 02/21/2022 02:12 (1)
Complete: 🔍