CVE-2016-7476
UnknownEPSS 2.43%
Last modified
CVE-2016-7476 is a vulnerability of currently unknown severity. The Traffic Management Microkernel (TMM) in F5 BIG-IP LTM, AAM, AFM, APM, ASM, GTM, Link Controller, PEM, PSM, and WebSafe 11.6.0 before 11.6.0 HF6, 11.5.0 before 11.5.3 HF2, and 11.3.0 before 11.4.1 HF10 may suffer from a memory leak while handling certain types of TCP traffic. Remote attackers may cause a denial of service (DoS) by way of a crafted TCP packet.. EPSS estimates a 2.43% chance of exploitation in the next 30 days.
Description
The Traffic Management Microkernel (TMM) in F5 BIG-IP LTM, AAM, AFM, APM, ASM, GTM, Link Controller, PEM, PSM, and WebSafe 11.6.0 before 11.6.0 HF6, 11.5.0 before 11.5.3 HF2, and 11.3.0 before 11.4.1 HF10 may suffer from a memory leak while handling certain types of TCP traffic. Remote attackers may cause a denial of service (DoS) by way of a crafted TCP packet.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Websafe | 11.6.0 |
| F5 | Big-Ip Protocol Security Module | 11.3.0 |
| F5 | Big-Ip Protocol Security Module | 11.4.0 |
| F5 | Big-Ip Protocol Security Module | 11.4.1 |
| F5 | Big-Ip Policy Enforcement Manager | 11.3.0 |
| F5 | Big-Ip Policy Enforcement Manager | 11.4.0 |
| F5 | Big-Ip Policy Enforcement Manager | 11.4.1 |
| F5 | Big-Ip Policy Enforcement Manager | 11.5.0 |
| F5 | Big-Ip Policy Enforcement Manager | 11.5.1 |
| F5 | Big-Ip Policy Enforcement Manager | 11.5.2 |
| F5 | Big-Ip Policy Enforcement Manager | 11.5.3 |
| F5 | Big-Ip Policy Enforcement Manager | 11.6.0 |
| F5 | Big-Ip Link Controller | 11.3.0 |
| F5 | Big-Ip Link Controller | 11.4.0 |
| F5 | Big-Ip Link Controller | 11.4.1 |
| F5 | Big-Ip Link Controller | 11.5.0 |
| F5 | Big-Ip Link Controller | 11.5.1 |
| F5 | Big-Ip Link Controller | 11.5.2 |
| F5 | Big-Ip Link Controller | 11.5.3 |
| F5 | Big-Ip Link Controller | 11.6.0 |
| F5 | Big-Ip Global Traffic Manager | 11.3.0 |
| F5 | Big-Ip Global Traffic Manager | 11.4.0 |
| F5 | Big-Ip Global Traffic Manager | 11.4.1 |
| F5 | Big-Ip Global Traffic Manager | 11.5.0 |
| F5 | Big-Ip Global Traffic Manager | 11.5.1 |
| F5 | Big-Ip Global Traffic Manager | 11.5.2 |
| F5 | Big-Ip Global Traffic Manager | 11.5.3 |
| F5 | Big-Ip Global Traffic Manager | 11.6.0 |
| F5 | Big-Ip Application Security Manager | 11.3.0 |
| F5 | Big-Ip Application Security Manager | 11.4.0 |
| F5 | Big-Ip Application Security Manager | 11.4.1 |
| F5 | Big-Ip Application Security Manager | 11.5.0 |
| F5 | Big-Ip Application Security Manager | 11.5.1 |
| F5 | Big-Ip Application Security Manager | 11.5.2 |
| F5 | Big-Ip Application Security Manager | 11.5.3 |
| F5 | Big-Ip Application Security Manager | 11.6.0 |
| F5 | Big-Ip Access Policy Manager | 11.3.0 |
| F5 | Big-Ip Access Policy Manager | 11.4.0 |
| F5 | Big-Ip Access Policy Manager | 11.4.1 |
| F5 | Big-Ip Access Policy Manager | 11.5.0 |
| F5 | Big-Ip Access Policy Manager | 11.5.1 |
| F5 | Big-Ip Access Policy Manager | 11.5.2 |
| F5 | Big-Ip Access Policy Manager | 11.5.3 |
| F5 | Big-Ip Access Policy Manager | 11.6.0 |
| F5 | Big-Ip Advanced Firewall Manager | 11.3.0 |
| F5 | Big-Ip Advanced Firewall Manager | 11.4.0 |
| F5 | Big-Ip Advanced Firewall Manager | 11.4.1 |
| F5 | Big-Ip Advanced Firewall Manager | 11.5.0 |
| F5 | Big-Ip Advanced Firewall Manager | 11.5.1 |
| F5 | Big-Ip Advanced Firewall Manager | 11.5.2 |
Showing 50 of 68 affected configurations. See NVD for the full list.
References
- http://www.securityfocus.com/bid/94353Third Party Advisory, VDB Entry
- https://support.f5.com/csp/#/article/K87416818Vendor Advisory
- http://www.securityfocus.com/bid/94353Third Party Advisory, VDB Entry
- https://support.f5.com/csp/#/article/K87416818Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-7476?
The Traffic Management Microkernel (TMM) in F5 BIG-IP LTM, AAM, AFM, APM, ASM, GTM, Link Controller, PEM, PSM, and WebSafe 11.6.0 before 11.6.0 HF6, 11.5.0 before 11.5.3 HF2, and 11.3.0 before 11.4.1 HF10 may suffer from a memory leak while handling certain types of TCP traffic. Remote attackers may cause a denial of service (DoS) by way of a crafted TCP packet.
How severe is CVE-2016-7476?
Severity scoring for CVE-2016-7476 is pending analysis. The EPSS model estimates a 2.43% probability of exploitation in the next 30 days.
How do I fix CVE-2016-7476?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Scan your code nowSource: NVD / NIST