CVE-2018-5521
UnknownEPSS 0.92%
Last modified
CVE-2018-5521 is a vulnerability of currently unknown severity. On F5 BIG-IP 12.1.0-12.1.3.1, 11.6.1-11.6.3.1, 11.5.1-11.5.5, or 11.2.1, carefully crafted URLs can be used to reflect arbitrary content into GeoIP lookup responses, potentially exposing clients to XSS.. EPSS estimates a 0.92% chance of exploitation in the next 30 days.
Description
On F5 BIG-IP 12.1.0-12.1.3.1, 11.6.1-11.6.3.1, 11.5.1-11.5.5, or 11.2.1, carefully crafted URLs can be used to reflect arbitrary content into GeoIP lookup responses, potentially exposing clients to XSS.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Application Acceleration Manager | >= 11.5.1, <= 11.5.5 |
| F5 | Big-Ip Application Acceleration Manager | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Application Acceleration Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Application Acceleration Manager | 11.2.1 |
| F5 | Big-Ip Local Traffic Manager | >= 11.5.1, <= 11.5.5 |
| F5 | Big-Ip Local Traffic Manager | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Local Traffic Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Local Traffic Manager | 11.2.1 |
| F5 | Big-Ip Advanced Firewall Manager | >= 11.5.1, <= 11.5.5 |
| F5 | Big-Ip Advanced Firewall Manager | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Advanced Firewall Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Advanced Firewall Manager | 11.2.1 |
| F5 | Big-Ip Analytics | >= 11.5.1, <= 11.5.5 |
| F5 | Big-Ip Analytics | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Analytics | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Analytics | 11.2.1 |
| F5 | Big-Ip Access Policy Manager | >= 11.5.1, <= 11.5.5 |
| F5 | Big-Ip Access Policy Manager | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Access Policy Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Access Policy Manager | 11.2.1 |
| F5 | Big-Ip Application Security Manager | >= 11.5.1, <= 11.5.5 |
| F5 | Big-Ip Application Security Manager | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Application Security Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Application Security Manager | 11.2.1 |
| F5 | Big-Ip Domain Name System | >= 11.5.1, <= 11.5.5 |
| F5 | Big-Ip Domain Name System | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Domain Name System | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Domain Name System | 11.2.1 |
| F5 | Big-Ip Edge Gateway | >= 11.5.1, <= 11.5.5 |
| F5 | Big-Ip Edge Gateway | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Edge Gateway | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Edge Gateway | 11.2.1 |
| F5 | Big-Ip Global Traffic Manager | >= 11.5.1, <= 11.5.5 |
| F5 | Big-Ip Global Traffic Manager | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Global Traffic Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Global Traffic Manager | 11.2.1 |
| F5 | Big-Ip Link Controller | >= 11.5.1, <= 11.5.5 |
| F5 | Big-Ip Link Controller | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Link Controller | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Link Controller | 11.2.1 |
| F5 | Big-Ip Policy Enforcement Manager | >= 11.5.1, <= 11.5.5 |
| F5 | Big-Ip Policy Enforcement Manager | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Policy Enforcement Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Policy Enforcement Manager | 11.2.1 |
| F5 | Big-Ip Webaccelerator | >= 11.5.1, <= 11.5.5 |
| F5 | Big-Ip Webaccelerator | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Webaccelerator | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Webaccelerator | 11.2.1 |
| F5 | Big-Ip Websafe | >= 11.5.1, <= 11.5.5 |
| F5 | Big-Ip Websafe | >= 11.6.1, <= 11.6.3 |
Showing 50 of 52 affected configurations. See NVD for the full list.
References
- http://www.securitytracker.com/id/1041021Third Party Advisory, VDB Entry
- https://support.f5.com/csp/article/K23124150Vendor Advisory
- http://www.securitytracker.com/id/1041021Third Party Advisory, VDB Entry
- https://support.f5.com/csp/article/K23124150Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-5521?
On F5 BIG-IP 12.1.0-12.1.3.1, 11.6.1-11.6.3.1, 11.5.1-11.5.5, or 11.2.1, carefully crafted URLs can be used to reflect arbitrary content into GeoIP lookup responses, potentially exposing clients to XSS.
How severe is CVE-2018-5521?
Severity scoring for CVE-2018-5521 is pending analysis. The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.
How do I fix CVE-2018-5521?
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-2018-5521?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
