Cisco Security Advisory
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AV:N/AC:L/Au:N/C:N/I:N/A:C/E:F/RL:U/RC:C
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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 session requests.
Cisco has confirmed the vulnerability in a security notice; however, software updates are not available.
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
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Customers are advised to consult Cisco bug ID CSCuo63677 for a complete list of affected product versions.
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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.
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Software updates are not available.
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The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
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To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
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Show LessVersion Description Section Status Date 1.0 Initial Release NA Final 2014-Sep-11
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