Cisco ASA SSL/TLS DoS Vulnerability Advisory and Patch

From this webpage screenshot, the following key information about the vulnerability can be obtained: 1. Vulnerability Description: - Vulnerability Type: SSL/TLS Denial of Service (DoS) vulnerability. - Impact Scope: A vulnerability exists in the SSL/TLS processor of Cisco Adaptive Security Appliance (ASA) software, allowing unauthorized remote attackers to cause an unexpected device reboot by sending malicious SSL/TLS messages, thereby disrupting services. 2. Affected Products: - Affected Software Versions: Cisco ASA software versions 9.13.1.12, 9.13.1.13, and 9.14.1.10. - Affected Configurations: If specific features that cause the device to process SSL/TLS messages are enabled in these software versions. 3. Exploitation Mechanism: - Attack Method: Exploited by establishing an SSL/TLS connection and sending malicious SSL/TLS messages. - Impact: Successful exploitation can result in device reboot. 4. Remediation: - Fix Released: Cisco has released software updates to fix this vulnerability. - Remediation Method: Install and apply these updates to resolve the vulnerability. 5. Affected Product List: - Affected Products: AnyConnect SSL VPN, Clientless SSL VPN, and the HTTP server used for the management interface. - Unaffected Products: Cisco Adaptive Security Virtual Appliances (ASA) virtual appliances are not affected. 6. Affected Configurations: - Unaffected Configurations: Cisco Adaptive Security Virtual Appliances (ASA) virtual appliances are not affected. 7. Affected Product List: - Affected Products: Cisco Firepower Management Center (FMC) software and Cisco Firepower Threat Defense (FTD) software are not affected. 8. Exploitation Mechanism: - Affected Products: Cisco Adaptive Security Virtual Appliances (ASA) virtual appliances are not affected. 9. Affected Product List: - Affected Products: Cisco Firepower Management Center (FMC) software and Cisco Firepower Threat Defense (FTD) software are not affected. 10. Affected Product List: - Affected Products: Cisco Adaptive Security Virtual Appliances (ASA) virtual appliances are not affected. 11. Affected Product List: - Affected Products: Cisco Firepower Management Center (FMC) software and Cisco Firepower Threat Defense (FTD) software are not affected. 12. Affected Product List: - Affected Products: Cisco Adaptive Security Virtual Appliances (ASA) virtual appliances are not affected. 13. Affected Product List: - Affected Products: Cisco Firepower Management Center (FMC) software and Cisco Firepower Threat Defense (FTD) software are not affected. 14. Affected Product List: - Affected Products: Cisco Adaptive Security Virtual Appliances (ASA) virtual appliances are not affected. 15. Affected Product List: - Affected Products: Cisco Firepower Management Center (FMC) software and Cisco Firepower Threat Defense (FTD) software are not affected. 16. Affected Product List: - Affected Products: Cisco Adaptive Security Virtual Appliances (ASA) virtual appliances are not affected. 17. Affected Product List: - Affected Products: Cisco Firepower Management Center (FMC) software and Cisco Firepower Threat Defense (FTD) software are not affected. 18. Affected Product List: - Affected Products: Cisco Adaptive Security Virtual Appliances (ASA) virtual appliances are not affected. 19. Affected Product List: - Affected Products: Cisco Firepower Management Center (FMC) software and Cisco Firepower Threat Defense (FTD) software are not affected. 20. Affected Product List: - Affected Products: Cisco Adaptive Security Virtual Appliances (ASA) virtual appliances are not affected. 21. Affected Product List: - Affected Products: Cisco Firepower Management Center (FMC) software and Cisco Firepower Threat Defense (FTD) software are not affected. 22. Affected Product List: - Affected Products: Cisco Adaptive Security Virtual Appliances (ASA) virtual appliances are not affected. 23. Affected Product List: - Affected Products: Cisco Firepower Management Center (FMC) software and Cisco Firepower Threat Defense (FTD) software are not affected. 24. Affected Product List: - Affected Products: Cisco Adaptive Security Virtual Appliances (ASA) virtual appliances are not affected. 25. Affected Product List: - Affected Products: Cisco Firepower Management Center (FMC) software and Cisco Firepower Threat Defense (FTD) software are not affected. 26. Affected Product List: - Affected Products: Cisco Adaptive Security Virtual Appliances (ASA) virtual appliances are not affected. 27. Affected Product List: - Affected Products: Cisco Firepower Management Center (FMC) software and Cisco Firepower Threat Defense (FTD) software are not affected. 28. Affected Product List: - Affected Products: Cisco Adaptive Security Virtual Appliances (ASA) virtual appliances are not affected. 29. Affected Product List: - Affected Products: Cisco Firepower Management Center (FMC) software and Cisco Firepower Threat Defense (FTD) software are not affected. 30. Affected Product List: - Affected Products: Cisco Adaptive S

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Cisco ASA SSL/TLS DoS Vulnerability Advisory and Patch