Cisco Security Advisory
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AV:N/AC:L/Au:S/C:N/I:N/A:P/E:F/RL:U/RC:C
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A vulnerability in the configuration of the XML parser of the Cisco TelePresence Management Suite (TMS) could allow an authenticated, remote attacker to cause a denial of service condition.
The vulnerability is due to improper handling of XML external entities. An attacker could exploit this vulnerability by submitting POST requests to the targeted system.
Cisco has confirmed the vulnerability in a security notice; however, software updates are not available.
To exploit this vulnerability, an attacker must authenticate to the targeted device. These requirements would likely decrease the possibility of a successful exploit.
Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.
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Customers are advised to consult Cisco bug ID CSCus51494 for a complete list of affected product versions.
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Administrators are advised to contact the vendor regarding future updates and releases.
Administrators are advised to allow only trusted users to have network access.
Administrators can help protect affected systems from external attacks by using a solid firewall strategy.
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 2015-Feb-16
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