Title: Cisco CNS Network Registrar DNS and DHCP Server Remote Denial of Service Vulnerabilities
Severity: HIGH
Description:
Cisco CNS Network Registrar is reported prone to multiple remote denial of service vulnerabilities. These issues affect the Domain Name Service and Dynamic Host Configuration Protocol server components of the CNS Network Registrar. It is reported that an attacker may cause a crash by sending a specially crafted packet sequence to an affected server.
The first issue is present in the Cisco CNS Network Registrar CCM (Central Configuration Management) server and results in resource exhaustion consuming all CPU resources. The second issue causes Cisco CNS Network Registrar lock manager process to crash. It is reported that a restart is required to regain normal functionality.
These vulnerabilities only affect Cisco CNS Network Registrar for the Microsoft Windows platform. The first issue affects CNS Network Registrar versions 6.0 up to and including 6.1.1.3 and the second issue affects all versions including 6.1.1.3.
Further details are not available at the moment. This BID will be updated as more information becomes available.
Affected Products:
- Cisco CNS Network Registrar 6.0.0
- Cisco CNS Network Registrar 6.0.1
- Cisco CNS Network Registrar 6.0.2
- Cisco CNS Network Registrar 6.0.3
- Cisco CNS Network Registrar 6.0.4
- Cisco CNS Network Registrar 6.0.5
- Cisco CNS Network Registrar 6.0.5 .2
- Cisco CNS Network Registrar 6.0.5 .3
- Cisco CNS Network Registrar 6.0.5 .4
- Cisco CNS Network Registrar 6.1.0
- Cisco CNS Network Registrar 6.1.1
- Cisco CNS Network Registrar 6.1.1 .1
- Cisco CNS Network Registrar 6.1.1 .2
- Cisco CNS Network Registrar 6.1.1 .3
References:
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