Cisco WebEx Meetings Server contains a vulnerability that could allow an authenticated, remote attacker to gain unauthorized access to join or end meetings. Updates are not available.
A vulnerability in Cisco WebEx Meetings Server could allow an authenticated, remote attackers to join meetings they have not been authorized to attend or to end meetings for which they are not the host.
The vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted URL request to a vulnerable Cisco WebEx Meetings Server.
Cisco has confirmed the vulnerability; however, software updates are not available.
At the time this alert was first published, Cisco WebEx Meetings Server versions 1.5 (.1.131) and prior were vulnerable. Later releases of Cisco WebEx Meetings Server may also be vulnerable.
To exploit this vulnerability, an attacker must authenticate to the targeted device. This access requirement decreases the likelihood of a successful exploit.
Cisco indicates through the CVSS score that proof-of-concept exploit code exists; however, the code is not known to be publicly available.
Cisco has released a security notice at the following link: CVE-2014-0682
Customers are advised to consult Cisco bug ID CSCuj42346 for a complete list of affected product versions.
Authenticated, remote attackers could exploit this vulnerability to join or end meetings for which they are not the host. A successful exploit could allow the attacker to access sensitive information or cause a denial of service (DoS) condition.
The vulnerability is due to insufficient validation of user-supplied input by the affected software.
An authenticated, remote attacker could exploit this vulnerability by sending a crafted URL request to a vulnerable Cisco WebEx Meetings Server. A successful exploit could allow the attacker to gain unauthorized access to join or end meetings, which the attacker could use to access sensitive information or cause a DoS condition.
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 are advised to monitor affected systems.
The security vulnerability applies to the following combinations of products.
Cisco WebEx Meetings Server
1.5 Base, .1.6, .1.131
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.