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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Description
A vulnerability in the SSL/TLS session handler of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a memory leak when closing SSL/TLS connections in a specific state. An attacker could exploit this vulnerability by establishing several SSL/TLS sessions and ensuring they are closed under certain conditions. A successful exploit could allow the attacker to exhaust memory resources in the affected device, which would prevent it from processing new SSL/TLS connections, resulting in a DoS. Manual intervention is required to recover an affected device.
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
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OR
*cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* versions up to (excluding) 9.6
*cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* versions from (including) 9.8.0 up to (excluding) 9.8.4.26
*cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* versions from (including) 9.9.0 up to (excluding) 9.9.2.80
*cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* versions from (including) 9.10.0 up to (excluding) 9.10.1.44
*cpe:2.3:a:cisco:a
Changed
Reference Type
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ftd-tcp-dos-N3DMnU4T No Types Assigned