CVE-2018-5541
First published: Wed Jul 25 2018(Updated: )
When F5 BIG-IP ASM 13.0.0-13.1.0.1, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1, or 11.5.1-11.5.6 is processing HTTP requests, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process.
Credit: f5sirt@f5.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| F5 Application Security Manager | >=11.5.1<=11.5.5 | |
| F5 Application Security Manager | >=11.6.1<=11.6.3 | |
| F5 Application Security Manager | >=12.1.0<=12.1.3 | |
| F5 Application Security Manager | >=13.0.0<=13.1.0 |
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Frequently Asked Questions
What is the severity of CVE-2018-5541?
CVE-2018-5541 is categorized as a medium severity vulnerability due to excessive CPU usage.
How do I fix CVE-2018-5541?
To fix CVE-2018-5541, upgrade your F5 BIG-IP ASM to a version beyond the affected ranges specified in the vulnerability.
What systems are affected by CVE-2018-5541?
CVE-2018-5541 affects F5 BIG-IP ASM versions 11.5.1 to 11.5.6, 11.6.1 to 11.6.3, 12.1.0 to 12.1.3, and 13.0.0 to 13.1.0.1.
What kind of impact can CVE-2018-5541 have?
CVE-2018-5541 can cause performance degradation and denial of service due to excessive CPU usage in the BIG-IP ASM bd process.
When was CVE-2018-5541 disclosed?
CVE-2018-5541 was disclosed in early 2018 as a security vulnerability impacting certain versions of F5 BIG-IP ASM.
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- version/f5 application security manager/11.5.1
- version/f5 application security manager/11.5.5
- version/f5 application security manager/11.6.1
- version/f5 application security manager/11.6.3
- version/f5 application security manager/12.1.0
- version/f5 application security manager/12.1.3
- version/f5 application security manager/13.0.0
- version/f5 application security manager/13.1.0