Cisco Wireless LAN Controller contains a vulnerability that could allow an unauthenticated, remote attacker to conduct cross-frame scripting attacks. Updates are not available.
A vulnerability in the web interface of the Cisco Wireless LAN Controller (WLC) could allow an unauthenticated, remote attacker to execute a cross-frame scripting (XFS) attack.
The vulnerability is due to insufficient HTML iframe protection. An attacker could exploit this vulnerability by directing a user to an attacker-controlled web page that contains a malicious HTML iframe. An exploit could allow the attacker to conduct clickjacking or other client-side browser attacks.
Cisco has confirmed the vulnerability in a security notice; however, software updates are not available.
At the time this alert was first published, Cisco WLC version 7.4(.110) and prior were vulnerable. Later releases of Cisco WLC may also be vulnerable.
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 provided 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 a security notice at the following link: CVE-2013-6698
Customers are advised to consult Cisco bug ID CSCuf77821 for the most complete list of affected product versions.
An unauthenticated, remote attacker could exploit this vulnerability to execute arbitrary script code in the user's browser session under the context of the affected site. An exploit could allow the attacker to conduct other client-side browser attacks.
The vulnerability is due to insufficient HTML iframe protections imposed by the affected software.
An unauthenticated, remote attacker could exploit this vulnerability by persuading a user to follow a crafted URL that contains malicious HTML frames. Processing the malicious frames could allow the attacker to conduct other client-side browser attacks.
Administrators are advised to contact the vendor regarding future updates and releases.
Users should verify that unsolicited links are safe to follow.
Alerts and bulletins on the Cisco Security Intelligence Operations Portal are highlighted by analysts in the
Cisco Threat Operations Center and represent a subset of the comprehensive content that is available through Cisco Security IntelliShield Alert Manager Service.
This customizable threat and vulnerability alert service provides security staff with access to timely, accurate, and credible information about threats and vulnerabilities that may affect their environment.
The urgency and severity ratings of this alert are not tailored to individual users; users may value alerts differently based upon their network configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE ALERT, AND INFORMATION CONTAINED THEREIN, OR MATERIALS LINKED FROM THE ALERT, IS AT YOUR OWN RISK. INFORMATION IN THIS ALERT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.