Vulnerability Description
The FastL4 virtual server in F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, GTM, Link Controller, and PEM 11.3.0 through 11.5.2 and 11.6.0 through 11.6.0 HF4, BIG-IP Edge Gateway, WebAccelerator, and WOM 11.2.1 through 11.3.0, and BIG-IP PSM 11.2.1 through 11.4.1 allows remote attackers to cause a denial of service (Traffic Management Microkernel restart) via a fragmented packet.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Advanced Firewall Manager | 11.3.0 |
| F5 | Big-Ip Analytics | 11.3.0 |
| F5 | Big-Ip Application Security Manager | 11.3.0 |
| F5 | Big-Ip Edge Gateway | 11.2.1 |
| F5 | Big-Ip Global Traffic Manager | 11.3.0 |
| F5 | Big-Ip Link Controller | 11.3.0 |
| F5 | Big-Ip Local Traffic Manager | 11.3.0 |
| F5 | Big-Ip Policy Enforcement Manager | 11.3.0 |
| F5 | Big-Ip Protocol Security Module | 11.2.1 |
| F5 | Big-Ip Webaccelerator | 11.2.1 |
Related Weaknesses (CWE)
References
- http://www.securitytracker.com/id/1033578
- https://support.f5.com/kb/en-us/solutions/public/17000/100/sol17155.htmlVendor Advisory
- http://www.securitytracker.com/id/1033578
- https://support.f5.com/kb/en-us/solutions/public/17000/100/sol17155.htmlVendor Advisory
FAQ
What is CVE-2015-4638?
CVE-2015-4638 is a vulnerability with a CVSS score of 5.0 (MEDIUM). The FastL4 virtual server in F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, GTM, Link Controller, and PEM 11.3.0 through 11.5.2 and 11.6.0 through 11.6.0 HF4, BIG-IP Edge Gateway, WebAccelerator, and W...
How severe is CVE-2015-4638?
CVE-2015-4638 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-4638?
Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Security Manager, F5 Big-Ip Edge Gateway, F5 Big-Ip Global Traffic Manager.