cisco-sa-asa-dos-BqYFRJt9: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software IKEv1 Denial of Service Vulnerability
First published: Wed May 06 2020(Updated: )
A vulnerability in the Internet Key Exchange version 1 (IKEv1) feature 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. The vulnerability is due to improper management of system memory. An attacker could exploit this vulnerability by sending malicious IKEv1 traffic to an affected device. A successful exploit could allow the attacker to cause a DoS condition on the affected device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-dos-BqYFRJt9
Credit: This vulnerability was found during the resolution a Cisco TAC support case
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco ASA Software | =9.12<9.12.2.9>=9.9<=9.10<9.10.1.30>=9.7<=9.8<9.8.4.10>=Earlier than 9.5<=9.6<9.6.4.36 | 9.12.2.9 9.10.1.30 9.8.4.10 9.6.4.36 |
| Cisco FTD Software |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Cisco ASA and FTD vulnerability?
The vulnerability ID for this Cisco ASA and FTD vulnerability is cisco-sa-asa-dos-BqYFRJt9.
What is the severity of cisco-sa-asa-dos-BqYFRJt9?
The severity of cisco-sa-asa-dos-BqYFRJt9 is medium.
How can an unauthenticated, remote attacker exploit cisco-sa-asa-dos-BqYFRJt9?
An unauthenticated, remote attacker can exploit cisco-sa-asa-dos-BqYFRJt9 by causing a denial of service (DoS) condition through the vulnerable Internet Key Exchange version 1 (IKEv1) feature.
Which versions of Cisco ASA Software are affected by cisco-sa-asa-dos-BqYFRJt9?
Versions 9.12, 9.9, 9.8 (up to 9.8.4.10), and 9.6 (up to 9.6.4.36) of Cisco ASA Software are affected by cisco-sa-asa-dos-BqYFRJt9.
Is there a remedy available for the affected versions of Cisco ASA Software?
Yes, there are specific remedy versions available for the affected versions of Cisco ASA Software. For example, versions 9.12.2.9, 9.10.1.30, and 9.8.4.10 are among the remedy versions for this vulnerability.
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- canonical/cisco asa software
- version/cisco asa software/9.12
- version/cisco asa software/9.9
- version/cisco asa software/9.10
- version/cisco asa software/9.7
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- version/cisco asa software/earlier than 9.5
- version/cisco asa software/9.6
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