Cisco Security Advisory
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AV:N/AC:M/Au:N/C:N/I:P/A:N/E:F/RL:U/RC:C
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A vulnerability in the HTTP web-based management interface of the Cisco Jabber Guest application could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web interface.
The vulnerability is due to insufficient input validation of the HTTP host tag parameter. An attacker could exploit this vulnerability by convincing a user to click a specific link.
Additional information about XSS attacks and potential mitigations is at the following links:
Understanding Cross-Site Scripting Threat Vectors
Cross-Site Scripting
Cisco has not released software updates that address this vulnerability. Workarounds that address this vulnerability are not available.
This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160203-jgs
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Workarounds are not available.
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When considering software upgrades, customers are advised to consult the Cisco Security Advisories and Responses archive at http://www.cisco.com/go/psirt and review subsequent advisories to determine exposure and a complete upgrade solution.
In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.
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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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Cisco would like to thank security researcher Tom Donaldson for finding and reporting this vulnerability.
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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 public release — Final 2016-February-03
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