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CVE-2019-1873
CVE ID
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CVE-2019-1873
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
A vulnerability in the cryptographic driver for Cisco Adaptive Security Appliance Software (ASA) and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reboot unexpectedly. The vulnerability is due to incomplete input validation of a Secure Sockets Layer (SSL) or Transport Layer Security (TLS) ingress packet header. An attacker could exploit this vulnerability by sending a crafted TLS/SSL packet to an interface on the targeted device. An exploit could allow the attacker to cause the device to reload, which will result in a denial of service (DoS) condition. Note: Only traffic directed to the affected system can be used to exploit this vulnerability. This vulnerability affects systems configured in routed and transparent firewall mode and in single or multiple context mode. This vulnerability can be triggered by IPv4 and IPv6 traffic. A valid SSL or TLS session is required to exploit this vulnerability.
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CVSS V3 Severity and Metrics
General Information
Vendors
- cisco
Products
- asa 5506-x firmware 9.6(4.16),
- asa 5506-x firmware 9.8(3.8),
- asa 5506h-x firmware 9.6(4.16),
- asa 5506h-x firmware 9.8(3.8),
- asa 5506w-x firmware 9.6(4.16),
- asa 5506w-x firmware 9.8(3.8),
- asa 5508-x firmware 9.6(4.16),
- asa 5508-x firmware 9.8(3.8),
- asa 5516-x firmware 9.6(4.16),
- asa 5516-x firmware 9.8(3.8)
References
Additional Info
Technical Analysis
Report as Exploited in the Wild
CVE ID
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