CVE-2018-5540: Medium severity f5 big-ip vulnerability

Published Jul 19, 2018
·
Updated

On F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.3, 11.6.0-11.6.3.1, or 11.5.1-11.5.6, Enterprise Manager 3.1.1, BIG-IQ Centralized Management 5.0.0-5.1.0, BIG-IQ Cloud and Orchestration 1.0.0, or F5 iWorkflow 2.1.0-2.3.0 the big3d process does not irrevocably minimize group privileges at start up.

Affected Software

12 affected components
F5 Big-ip Domain Name System>=11.5.1<=11.5.6
F5 Big-ip Domain Name System>=11.6.0<=11.6.3.1
F5 Big-ip Domain Name System>=12.1.0<=12.1.3.3
F5 Big-ip Domain Name System>=13.0.0<=13.0.1
F5 Big-ip Global Traffic Manager>=11.5.1<=11.5.6
F5 Big-ip Global Traffic Manager>=11.6.0<=11.6.3.1
F5 Big-ip Global Traffic Manager>=12.1.0<=12.1.3.3
F5 Big-ip Global Traffic Manager>=13.0.0<=13.0.1
F5 Enterprise Manager=3.1.1
F5 BIG-IQ Centralized Management>=5.0.0<=5.1.0
F5 BIG-IQ Cloud and Orchestration=1.0.0
F5 F5 iWorkflow>=2.1.0<=2.3.0

Event History

Jul 19, 2018
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
DescriptionWeakness
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Frequently Asked Questions

1

What is CVE-2018-5540?

CVE-2018-5540 is a vulnerability that affects F5 BIG-IP and other related products.

2

What is the severity of CVE-2018-5540?

The severity of CVE-2018-5540 is medium, with a severity value of 4.4.

3

Which software versions are affected by CVE-2018-5540?

The affected software versions include F5 BIG-IP 11.5.1-11.5.6, 11.6.0-11.6.3.1, 12.1.0-12.1.3.3, and 13.0.0-13.0.1, as well as other related products.

4

What is the impact of CVE-2018-5540?

CVE-2018-5540 allows the big3d process to start up without minimizing group privileges, potentially allowing unauthorized access or privilege escalation.

5

How can I fix CVE-2018-5540?

To fix CVE-2018-5540, users should update to the latest patched version of the affected software or apply the recommended security updates provided by the vendor.

Contact

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