CVE-2019-6671
HIGHCVSS 7.5/10EPSS 1.04%
Last modified
CVE-2019-6671 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. On BIG-IP 15.0.0-15.0.1, 14.1.0-14.1.2, 14.0.0-14.0.1, and 13.1.0-13.1.3.1, under certain conditions tmm may leak memory when processing packet fragments, leading to resource starvation.. EPSS estimates a 1.04% chance of exploitation in the next 30 days.
Description
On BIG-IP 15.0.0-15.0.1, 14.1.0-14.1.2, 14.0.0-14.0.1, and 13.1.0-13.1.3.1, under certain conditions tmm may leak memory when processing packet fragments, leading to resource starvation.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Access Policy Manager | >= 13.1.0, <= 13.1.3.1 |
| F5 | Big-Ip Access Policy Manager | >= 14.0.0, <= 14.0.1 |
| F5 | Big-Ip Access Policy Manager | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Access Policy Manager | >= 15.0.0, <= 15.0.1 |
| F5 | Big-Ip Advanced Firewall Manager | >= 13.1.0, <= 13.1.3.1 |
| F5 | Big-Ip Advanced Firewall Manager | >= 14.0.0, <= 14.0.1 |
| F5 | Big-Ip Advanced Firewall Manager | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Advanced Firewall Manager | >= 15.0.0, <= 15.0.1 |
| F5 | Big-Ip Analytics | >= 13.1.0, <= 13.1.3.1 |
| F5 | Big-Ip Analytics | >= 14.0.0, <= 14.0.1 |
| F5 | Big-Ip Analytics | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Analytics | >= 15.0.0, <= 15.0.1 |
| F5 | Big-Ip Application Acceleration Manager | >= 13.1.0, <= 13.1.3.1 |
| F5 | Big-Ip Application Acceleration Manager | >= 14.0.0, <= 14.0.1 |
| F5 | Big-Ip Application Acceleration Manager | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Application Acceleration Manager | >= 15.0.0, <= 15.0.1 |
| F5 | Big-Ip Application Security Manager | >= 13.1.0, <= 13.1.3.1 |
| F5 | Big-Ip Application Security Manager | >= 14.0.0, <= 14.0.1 |
| F5 | Big-Ip Application Security Manager | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Application Security Manager | >= 15.0.0, <= 15.0.1 |
| F5 | Big-Ip Domain Name System | >= 13.1.0, <= 13.1.3.1 |
| F5 | Big-Ip Domain Name System | >= 14.0.0, <= 14.0.1 |
| F5 | Big-Ip Domain Name System | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Domain Name System | >= 15.0.0, <= 15.0.1 |
| F5 | Big-Ip Edge Gateway | >= 13.1.0, <= 13.1.3.1 |
| F5 | Big-Ip Edge Gateway | >= 14.0.0, <= 14.0.1 |
| F5 | Big-Ip Edge Gateway | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Edge Gateway | >= 15.0.0, <= 15.0.1 |
| F5 | Big-Ip Fraud Protection Service | >= 13.1.0, <= 13.1.3.1 |
| F5 | Big-Ip Fraud Protection Service | >= 14.0.0, <= 14.0.1 |
| F5 | Big-Ip Fraud Protection Service | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Fraud Protection Service | >= 15.0.0, <= 15.0.1 |
| F5 | Big-Ip Global Traffic Manager | >= 13.0.0, <= 13.1.3.1 |
| F5 | Big-Ip Global Traffic Manager | >= 14.0.0, <= 14.0.1 |
| F5 | Big-Ip Global Traffic Manager | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Global Traffic Manager | >= 15.0.0, <= 15.0.1 |
| F5 | Big-Ip Link Controller | >= 13.1.0, <= 13.1.3.1 |
| F5 | Big-Ip Link Controller | >= 14.0.0, <= 14.0.1 |
| F5 | Big-Ip Link Controller | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Link Controller | >= 15.0.0, <= 15.0.1 |
| F5 | Big-Ip Local Traffic Manager | >= 13.1.0, <= 13.1.3.1 |
| F5 | Big-Ip Local Traffic Manager | >= 14.0.0, <= 14.0.1 |
| F5 | Big-Ip Local Traffic Manager | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Local Traffic Manager | >= 15.0.0, <= 15.0.1 |
| F5 | Big-Ip Policy Enforcement Manager | >= 13.1.0, <= 13.1.3.1 |
| F5 | Big-Ip Policy Enforcement Manager | >= 14.0.0, <= 14.0.1 |
| F5 | Big-Ip Policy Enforcement Manager | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Policy Enforcement Manager | >= 15.0.0, <= 15.0.1 |
| F5 | Big-Ip Webaccelerator | >= 13.1.0, <= 13.1.3.1 |
| F5 | Big-Ip Webaccelerator | >= 14.0.0, <= 14.0.1 |
Showing 50 of 52 affected configurations. See NVD for the full list.
References
- https://support.f5.com/csp/article/K39225055Vendor Advisory
- https://support.f5.com/csp/article/K39225055Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-6671?
On BIG-IP 15.0.0-15.0.1, 14.1.0-14.1.2, 14.0.0-14.0.1, and 13.1.0-13.1.3.1, under certain conditions tmm may leak memory when processing packet fragments, leading to resource starvation.
How severe is CVE-2019-6671?
CVE-2019-6671 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.
How do I fix CVE-2019-6671?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2019-6671?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST