Denial of Service Vulnerability in F5 BIG-IP Products
CVE-2016-6876

7.5HIGH

Key Information:

Vendor

F5
Status
Big-ip Local Traffic Manager
Vendor
CVE Published:
7 September 2016

What is CVE-2016-6876?

A vulnerability exists in F5 BIG-IP products where the RESOLV::lookup iRule command allows remote DNS servers to craft malicious PTR responses. This exploit can lead to a denial of service, resulting in excessive CPU consumption or crashes of the Traffic Management Microkernel. This issue affects multiple versions across various BIG-IP services including LTM, APM, ASM, and DNS, making it crucial for users to review their systems for affected versions and implement necessary updates.

References

http://www.securitytracker.com/id/1036725
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https://support.f5.com/kb/en-us/solutions/public/k/52/sol...
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CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2016-6876 : Denial of Service Vulnerability in F5 BIG-IP Products