Cisco WebEx Social contains a vulnerability that could allow an authenticated, remote attacker to inject arbitrary values into the Screen Name, Email Address, First Name, Middle Name, Last Name, and Job Title fields on a targeted system. Updates are available.
A vulnerability in the user management page of WebEx Social could allow an authenticated, remote attacker to inject arbitrary values into the Screen Name, Email Address, First Name, Middle Name, Last Name, and Job Title fields.
The vulnerability is due to insufficient server-side validation of user-supplied information. An attacker could exploit this vulnerability by bypassing client-side protections to insert arbitrary values into the vulnerable fields.
Cisco has confirmed the vulnerability in a security notice and has released software updates.
At the time this alert was first published, the following versions of Cisco WebEx Social were affected:
3.1(1)SR1, SR2, SR3
3.1(0), SR1, SR2 and SR3
Later versions may also be affected.
To exploit this vulnerability, an attacker would require authenticated access to the targeted device, and may require access to trusted, internal networks. These access requirements could limit the likelihood of a successful exploit.
Cisco indicates through the CVSS score that the vulnerability is highly exploitable; however, exploit code is not known to be publicly available.
An authenticated, remote attacker could exploit this vulnerability by bypassing client-side protections to insert arbitrary values into the vulnerable fields.
Technical details are unavailable.
Administrators are advised to apply the appropriate updates.
Administrators are advised to allow only trusted users to access local systems.
Administrators are advised to allow only trusted users to have network access.
Administrators are advised to allow only privileged users to access administration or management systems.
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.
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 e-mail at firstname.lastname@example.org.
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