1/5/2019
cisco-sa-20190501-asa-ftd-dos: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Denial of Service Vulnerability
First published: Wed May 01 2019(Updated: )
A vulnerability in the WebVPN service of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
The vulnerability is due to improper management of authenticated sessions in the WebVPN portal. An attacker could exploit this vulnerability by authenticating with valid credentials and accessing a specific URL in the WebVPN portal. A successful exploit could allow the attacker to cause the device to reload, resulting in a temporary DoS condition.
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-20190501-asa-ftd-dos
Credit: Qian Chen Qihoo 360 Information Security Department
Affected Software | Affected Version | How to fix |
---|
Cisco ASA Software | =9.10<9.10.1.17>=9.7=9.8<=9.9<9.9.2.50=9.6<9.6.4.25=9.5<9.6.4.25=9.4<9.4.4.34=Prior to 9.4<9.4.4.34 | 9.10.1.17 9.9.2.50 9.6.4.25 9.6.4.25 9.4.4.34 9.4.4.34 |
Cisco FTD Software | =6.2.3<6.2.3.12=6.2.2<6.2.3.12=6.2.1<6.2.3.12 | 6.2.3.12 6.2.3.12 6.2.3.12 |
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Child vulnerabilities
(Contains the following vulnerabilities)
- agent/type
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- collector/cisco-advisory
- source/Cisco
- agent/software-canonical-lookup
- agent/references
- agent/weakness
- agent/author
- agent/severity
- agent/title
- agent/description
- agent/event
- agent/tags
- vendor/cisco
- canonical/cisco asa software
- version/cisco asa software/9.10
- version/cisco asa software/9.7
- version/cisco asa software/9.8
- version/cisco asa software/9.9
- version/cisco asa software/9.6
- version/cisco asa software/9.5
- version/cisco asa software/9.4
- version/cisco asa software/prior to 9.4
- canonical/cisco ftd software
- version/cisco ftd software/6.2.3
- version/cisco ftd software/6.2.2
- version/cisco ftd software/6.2.1
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