Cisco WebEx Training Center contains a vulnerability that could allow an unauthenticated, remote attacker to gain access to sensitive information. Updates are not available.
A vulnerability in the training center registration page of Cisco WebEx Training Center could allow an unauthenticated, remote attacker to attend the audio conference for a training session without having to confirm the email address.
The vulnerability is due to the disclosure of the training session information URL before registration is complete. An attacker could exploit this vulnerability by gathering the training session access code and password from the disclosed URL and using the information to join the audio conference for a training session without receiving the registration email.
Cisco has confirmed the vulnerability in a security notice; however, software updates are not available.
Cisco WebEx Training Center is vulnerable.
To exploit this vulnerability, it is likely that an attacker would need access to the training session URL prior to an exploit attempt. In a typical enterprise environment, the training session URL would originate from a device located on a trusted, internal network, reducing the possibility of a successful attack.
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-2013-6965
Customers are advised to consult Cisco bug ID CSCul36183 for the most complete list of affected product versions.
An unauthenticated, remote attacker could exploit this vulnerability gain access to sensitive information that could be leveraged to conduct further attacks.
The vulnerability is due to insufficient security restrictions imposed by the training registration page in Cisco WebEx Training Center.
An unauthenticated, remote attacker could exploit this vulnerability by gathering the training session access code and password from the disclosed URL and using the information to join the audio conference for a training session without receiving the registration email. A successful exploit could be used to conduct further attacks.
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 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.
The security vulnerability applies to the following combinations of products.
Cisco WebEx Training Center
Original Release Base
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