SB2019112603 - DNS Rebinding in several F5 Networks products
Published: November 26, 2019
Security Bulletin ID
SB2019112603
Severity
Low
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Reliance on Reverse DNS Resolution for a Security-Critical Action (CVE-ID: CVE-2019-6663)
The vulnerability allows a local user to perform an Anti DNS Pinning (DNS Rebinding) attack.
The vulnerability exists due to the Configuration utility does not sufficiently verify the Host field in the HTTP request. A local user initiating a DNS rebinding attack requires control of the DNS that is configured in a client that accesses the Configuration utility of the vulnerable system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.