A vulnerability in the SIP inspection process of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a crash and reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to a watchdog timeout and crash during the cleanup of threads that are associated with a SIP connection that is being deleted from the connection list. An attacker could exploit this vulnerability by sending a high rate of crafted SIP traffic through an affected device. A successful exploit could allow the attacker to cause a watchdog timeout and crash, resulting in a crash and reload of the affected device.
The product does not release or incorrectly releases a resource before it is made available for re-use.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Adaptive_security_appliance | Cisco | * | 9.6.4.43 (excluding) |
| Firepower_threat_defense | Cisco | * | 6.2.2 (including) |
| Firepower_threat_defense | Cisco | 6.3.0 (including) | 6.3.0.6 (excluding) |
| Firepower_threat_defense | Cisco | 6.4.0 (including) | 6.4.0.10 (excluding) |
| Firepower_threat_defense | Cisco | 6.5.0 (including) | 6.5.0.5 (excluding) |
| Firepower_threat_defense | Cisco | 6.6.0 (including) | 6.6.0 (including) |
| Adaptive_security_appliance_software | Cisco | 9.7.0 (including) | 9.8.4.24 (excluding) |
| Adaptive_security_appliance_software | Cisco | 9.9.0 (including) | 9.9.2.80 (excluding) |
| Adaptive_security_appliance_software | Cisco | 9.10.0 (including) | 9.10.1.43 (excluding) |
| Adaptive_security_appliance_software | Cisco | 9.12.0 (including) | 9.12.4.2 (excluding) |
| Adaptive_security_appliance_software | Cisco | 9.13.0 (including) | 9.13.1.13 (excluding) |
| Adaptive_security_appliance_software | Cisco | 9.14.0 (including) | 9.14.1.19 (excluding) |