Cisco Prime Central for Hosted Collaboration Solution contains a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service condition. Updates are not available.
A vulnerability in the Impact server Java process of Cisco Prime Central for Hosted Collaboration Solution (HCS) could allow an unauthenticated, remote attacker to crash the Impact server Java process.
The vulnerability is due to the Impact server Java process consuming available resources. An attacker could exploit this vulnerability by sending a TCP flood to the Impact server. An exploit could allow an attacker to crash the Java process, which requires a system restart to recover.
Cisco has confirmed the vulnerability in a security notice; however, software updates are not available.
At the time this alert was first published, Cisco Prime HCS versions 9.2.1 and prior were vulnerable. Later releases of Cisco Prime HCS may also be vulnerable.
To exploit this vulnerability, an attacker must have the ability to send a TCP flood to a targeted device which may reside on trusted, internal networks in which the attacker would likely need access to. This access requirement decreases the likelihood of a successful exploit.
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-2013-5564
Customers are advised to consult Cisco bug ID CSCug57345 for the most complete list of affected product versions.
An unauthenticated, remote attacker could exploit this vulnerability to cause the Java process on an affected device to crash, resulting in a denial of service (DoS) condition.
The vulnerability is due insufficient use of available resources by the Impact server Java process running on an affected device.
An unauthenticated, remote attacker could exploit this vulnerability by sending a TCP flood to the Impact server on a targeted device. An exploit could allow an attacker to crash the Java process, which requires a system restart to recover, resulting in 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 may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems.
Administrators may consider filtering or rate limit the TCP connections to the open ports on an affected systems.
Administrators are advised to monitor affected systems.
The security vulnerability applies to the following combinations of products.
Cisco Prime Central for Hosted Collaboration Solution
1.0 Base, .1 | 1.1 Base | 9.1 Base, .1 | 9.2 .1
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