CVE-2018-5521: XSS

Published Jun 1, 2018
·
Updated

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.

Affected Software

52 affected components
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
F5 Big-ip Websafe>=12.1.0<=12.1.3
F5 Big-ip Websafe=11.2.1

Event History

Jun 1, 2018
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
DescriptionWeakness
Data Sourced
via NVD·02:29 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2018-5521?

CVE-2018-5521 is classified as a medium severity vulnerability due to its potential to expose clients to cross-site scripting (XSS).

2

How do I fix CVE-2018-5521?

To mitigate CVE-2018-5521, you should upgrade the affected F5 BIG-IP software to the latest patched version provided by F5 Networks.

3

What versions of F5 BIG-IP are affected by CVE-2018-5521?

CVE-2018-5521 affects F5 BIG-IP versions 12.1.0 to 12.1.3.1, 11.6.1 to 11.6.3.1, 11.5.1 to 11.5.5, and 11.2.1.

4

What types of attacks can CVE-2018-5521 enable?

CVE-2018-5521 can enable attackers to perform cross-site scripting (XSS) attacks by reflecting arbitrary content into GeoIP lookup responses.

5

Is CVE-2018-5521 easy to exploit?

Yes, CVE-2018-5521 can be easily exploited using carefully crafted URLs, making it critical to apply security patches promptly.

Company

Resources

Contact

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