Vulnerability Description
On BIG-IP 11.5.1-11.6.4, iRules performing HTTP header manipulation may cause an interruption to service when processing traffic handled by a Virtual Server with an associated HTTP profile, in specific circumstances, when the requests do not strictly conform to RFCs.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Local Traffic Manager | >= 11.5.2, <= 11.6.4 |
| F5 | Big-Ip Application Acceleration Manager | >= 11.5.2, <= 11.6.4 |
| F5 | Big-Ip Advanced Firewall Manager | >= 11.5.2, <= 11.6.4 |
| F5 | Big-Ip Analytics | >= 11.5.2, <= 11.6.4 |
| F5 | Big-Ip Access Policy Manager | >= 11.5.2, <= 11.6.4 |
| F5 | Big-Ip Application Security Manager | >= 11.5.2, <= 11.6.4 |
| F5 | Big-Ip Domain Name System | >= 11.5.2, <= 11.6.4 |
| F5 | Big-Ip Edge Gateway | >= 11.5.2, <= 11.6.4 |
| F5 | Big-Ip Global Traffic Manager | >= 11.5.2, <= 11.6.4 |
| F5 | Big-Ip Link Controller | >= 11.5.2, <= 11.6.4 |
| F5 | Big-Ip Policy Enforcement Manager | >= 11.5.2, <= 11.6.4 |
| F5 | Big-Ip Webaccelerator | >= 11.5.2, <= 11.6.4 |
| F5 | Big-Ip Websafe | >= 11.5.2, <= 11.6.4 |
References
- http://www.securityfocus.com/bid/109119Broken LinkThird Party AdvisoryVDB Entry
- https://support.f5.com/csp/article/K19501795Vendor Advisory
- https://support.f5.com/csp/article/K19501795?utm_source=f5support&%3Butm_medi
- http://www.securityfocus.com/bid/109119Broken LinkThird Party AdvisoryVDB Entry
- https://support.f5.com/csp/article/K19501795Vendor Advisory
- https://support.f5.com/csp/article/K19501795?utm_source=f5support&%3Butm_medi
FAQ
What is CVE-2019-6631?
CVE-2019-6631 is a vulnerability with a CVSS score of 7.5 (HIGH). On BIG-IP 11.5.1-11.6.4, iRules performing HTTP header manipulation may cause an interruption to service when processing traffic handled by a Virtual Server with an associated HTTP profile, in specifi...
How severe is CVE-2019-6631?
CVE-2019-6631 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-2019-6631?
Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Local Traffic Manager, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Access Policy Manager.