Vulnerability Description
On BIG-IP versions 16.0.0-16.0.0.1 and 15.1.0-15.1.0.5, using the RESOLV::lookup command within an iRule may cause the Traffic Management Microkernel (TMM) to generate a core file and restart. This issue occurs when data exceeding the maximum limit of a hostname passes to the RESOLV::lookup command.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Access Policy Manager | >= 15.1.0, < 15.1.1 |
| F5 | Big-Ip Advanced Firewall Manager | >= 15.1.0, < 15.1.1 |
| F5 | Big-Ip Analytics | >= 15.1.0, < 15.1.1 |
| F5 | Big-Ip Application Acceleration Manager | >= 15.1.0, < 15.1.1 |
| F5 | Big-Ip Application Security Manager | >= 15.1.0, < 15.1.1 |
| F5 | Big-Ip Domain Name System | >= 15.1.0, < 15.1.1 |
| F5 | Big-Ip Fraud Protection Service | >= 15.1.0, < 15.1.1 |
| F5 | Big-Ip Global Traffic Manager | >= 15.1.0, < 15.1.1 |
| F5 | Big-Ip Link Controller | >= 15.1.0, < 15.1.1 |
| F5 | Big-Ip Local Traffic Manager | >= 15.1.0, < 15.1.1 |
| F5 | Big-Ip Policy Enforcement Manager | >= 15.1.0, < 15.1.1 |
References
- https://support.f5.com/csp/article/K03125360Vendor Advisory
- https://support.f5.com/csp/article/K03125360Vendor Advisory
FAQ
What is CVE-2020-5941?
CVE-2020-5941 is a vulnerability with a CVSS score of 7.5 (HIGH). On BIG-IP versions 16.0.0-16.0.0.1 and 15.1.0-15.1.0.5, using the RESOLV::lookup command within an iRule may cause the Traffic Management Microkernel (TMM) to generate a core file and restart. This is...
How severe is CVE-2020-5941?
CVE-2020-5941 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-5941?
Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager.