A vulnerability in Cisco TelePresence Collaboration Desk and Room Endpoints running TC Software could allow an unauthenticated, remote attacker to conduct HTTP response splitting attacks.
The vulnerability is due to insufficient user input sanitization performed by the affected software while processing HTTP requests. An unauthenticated, remote attacker could exploit this vulnerability by convincing a user to follow a malicious link. If successful, the attacker could conduct HTTP response splitting attacks.
Cisco has confirmed the vulnerability and released software updates.
To exploit the vulnerability, the attacker may provide a link that directs a user to a malicious site and use misleading language or instructions to persuade the user to follow the link.
Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.
Cisco has released bug ID CSCut79341 for registered users, which contains additional details and an up-to-date list of affected product versions.
Administrators are advised to apply the appropriate updates.
Administrators are advised to allow only trusted users to have network access.
Administrators are advised to monitor affected systems.
Cisco customers with active contracts can obtain updates through the Software Center at the following link: Cisco. Cisco customers without contracts can obtain upgrades by contacting the Cisco Technical Assistance Center at 1-800-553-2447 or 1-408-526-7209 or via email at email@example.com.
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.
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.
Version Description Section Status Date 1.0 Cisco TelePresence SX20 contains a vulnerability that could allow an unauthenticated, remote attacker to conduct HTTP response splitting attacks on a targeted system. Updates are available. NA Final 2015-Jun-04
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