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AUSCERT External Security Bulletin Redistribution
Cisco TelePresence System MXP Series Software Denial of
12 September 2014
AusCERT Security Bulletin Summary
Product: Cisco Telepresence System MXP Series
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2014-3362
Comment: The vendor has not currently released patches to address this
vulnerability, but has provided a number of mitigation steps.
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Cisco TelePresence System MXP Series Software Denial of Service Vulnerability
Threat Type: CWE-399: Resource Management Errors
IntelliShield ID: 35674
First Published: 2014 September 11 17:46 GMT
Last Published: 2014 September 11 17:46 GMT
Port: Not available
BugTraq ID: 69737
Urgency: Unlikely Use Urgency: 1-Weakness 2-Unlikely Use 3-Possible Use
4-Probable Use 5-Incidents Reported
Credibility: Confirmed Credibility: 1-Very Low 2-Low 3-Corroborated 4-Highly
Severity: Mild Damage Severity: 1-No Damage 2-Harassment 3-Mild Damage
4-Moderate Damage 5-Heavy Damage
CVSS Base: 7.8 CVSS Calculator
CVSS Version 2.0
CVSS Temporal: 7.4
Version Summary: Cisco TelePresence System MXP Series Software contains a
vulnerability that could allow an unauthenticated, remote attacker to cause a
denial of service condition. Updates are not available.
A vulnerability in Cisco TelePresence System MXP Series Software could allow
an unauthenticated, remote attacker to cause an affected system to become
unresponsive to management session requests via Telnet.
The vulnerability is due to a memory leak when management flows are created.
An attacker could exploit this vulnerability by creating several management
Cisco has confirmed the vulnerability in a security notice; however, software
updates are not available.
Cisco TelePresence System Edge MXP Series F9.3.3 and prior are vulnerable.
To exploit this vulnerability, an attacker must determine whether the Telnet
service is running on a targeted device.
All MXP products have reached end of life (EOL) and end of software support
(EoSW). Customer are advised to review the EOL/EoSW support notice at the
following link: End-of-Sale and End-of-Life Announcement for the Cisco
TelePresence System Edge 75/95 MXP
Cisco has released a security notice at the following link: CVE-2014-3362
Customers are advised to consult Cisco bug ID CSCuo63677 for a complete list
of affected product versions.
An unauthenticated, remote attacker could exploit this vulnerability to cause
an affected system to become unresponsive, resulting in a denial of service
The vulnerability is due to improper handling of management flows by a system
running an affected version of Cisco TelePresence System MXP Series Software.
An unauthenticated, remote attacker could exploit this vulnerability by
creating several management session requests via Telnet to a targeted system.
A successful exploit could allow the system to become unresponsive, resulting
in a DoS condition.
Administrators can help protect affected systems from external attacks by
using a solid firewall strategy.
Administrators may consider disabling the Telnet port on affected systems.
Administrators may consider using IP-based access control lists (ACLs) to
allow only trusted systems to access the affected systems.
Administrators are advised to monitor affected systems.
Software updates are not available.
The security vulnerability applies to the following combinations of products.
Cisco Cisco TelePresence System F9.0.1 Base | F9.0.2 Base |
Edge MXP Series Base F9.3.1 Base | F9.3.3
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