CVE-2018-5521: XSS
First published: Wed May 30 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.
Credit: f5sirt@f5.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 | |
| Riverbed SteelApp Traffic Manager | >=11.5.1<=11.5.5 | |
| Riverbed SteelApp Traffic Manager | >=11.6.1<=11.6.3 | |
| Riverbed SteelApp Traffic Manager | >=12.1.0<=12.1.3 | |
| Riverbed SteelApp 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 Access Policy Manager | >=11.5.1<=11.5.5 | |
| F5 Access Policy Manager | >=11.6.1<=11.6.3 | |
| F5 Access Policy Manager | >=12.1.0<=12.1.3 | |
| F5 Access Policy Manager | =11.2.1 | |
| F5 Application Security Manager | >=11.5.1<=11.5.5 | |
| F5 Application Security Manager | >=11.6.1<=11.6.3 | |
| F5 Application Security Manager | >=12.1.0<=12.1.3 | |
| F5 Application Security Manager | =11.2.1 | |
| F5 BIG-IP | >=11.5.1<=11.5.5 | |
| F5 BIG-IP | >=11.6.1<=11.6.3 | |
| F5 BIG-IP | >=12.1.0<=12.1.3 | |
| F5 BIG-IP | =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 | |
| Riverbed SteelApp Traffic Manager | >=11.5.1<=11.5.5 | |
| Riverbed SteelApp Traffic Manager | >=11.6.1<=11.6.3 | |
| Riverbed SteelApp Traffic Manager | >=12.1.0<=12.1.3 | |
| Riverbed SteelApp 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 WebSafe | >=11.5.1<=11.5.5 | |
| F5 WebSafe | >=11.6.1<=11.6.3 | |
| F5 WebSafe | >=12.1.0<=12.1.3 | |
| F5 WebSafe | =11.2.1 |
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Reference Links
Frequently Asked Questions
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).
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.
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.
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.
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.
- agent/references
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/weakness
- agent/severity
- agent/last-modified-date
- agent/description
- agent/event
- agent/first-publish-date
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/f5
- canonical/f5 big-ip application acceleration manager
- version/f5 big-ip application acceleration manager/11.5.1
- version/f5 big-ip application acceleration manager/11.5.5
- version/f5 big-ip application acceleration manager/11.6.1
- version/f5 big-ip application acceleration manager/11.6.3
- version/f5 big-ip application acceleration manager/12.1.0
- version/f5 big-ip application acceleration manager/12.1.3
- version/f5 big-ip application acceleration manager/11.2.1
- canonical/riverbed steelapp traffic manager
- version/riverbed steelapp traffic manager/11.5.1
- version/riverbed steelapp traffic manager/11.5.5
- version/riverbed steelapp traffic manager/11.6.1
- version/riverbed steelapp traffic manager/11.6.3
- version/riverbed steelapp traffic manager/12.1.0
- version/riverbed steelapp traffic manager/12.1.3
- version/riverbed steelapp traffic manager/11.2.1
- canonical/f5 big-ip advanced firewall manager
- version/f5 big-ip advanced firewall manager/11.5.1
- version/f5 big-ip advanced firewall manager/11.5.5
- version/f5 big-ip advanced firewall manager/11.6.1
- version/f5 big-ip advanced firewall manager/11.6.3
- version/f5 big-ip advanced firewall manager/12.1.0
- version/f5 big-ip advanced firewall manager/12.1.3
- version/f5 big-ip advanced firewall manager/11.2.1
- canonical/f5 big-ip analytics
- version/f5 big-ip analytics/11.5.1
- version/f5 big-ip analytics/11.5.5
- version/f5 big-ip analytics/11.6.1
- version/f5 big-ip analytics/11.6.3
- version/f5 big-ip analytics/12.1.0
- version/f5 big-ip analytics/12.1.3
- version/f5 big-ip analytics/11.2.1
- canonical/f5 access policy manager
- version/f5 access policy manager/11.5.1
- version/f5 access policy manager/11.5.5
- version/f5 access policy manager/11.6.1
- version/f5 access policy manager/11.6.3
- version/f5 access policy manager/12.1.0
- version/f5 access policy manager/12.1.3
- version/f5 access policy manager/11.2.1
- canonical/f5 application security manager
- version/f5 application security manager/11.5.1
- version/f5 application security manager/11.5.5
- version/f5 application security manager/11.6.1
- version/f5 application security manager/11.6.3
- version/f5 application security manager/12.1.0
- version/f5 application security manager/12.1.3
- version/f5 application security manager/11.2.1
- canonical/f5 big-ip
- version/f5 big-ip/11.5.1
- version/f5 big-ip/11.5.5
- version/f5 big-ip/11.6.1
- version/f5 big-ip/11.6.3
- version/f5 big-ip/12.1.0
- version/f5 big-ip/12.1.3
- version/f5 big-ip/11.2.1
- canonical/f5 big-ip edge gateway
- version/f5 big-ip edge gateway/11.5.1
- version/f5 big-ip edge gateway/11.5.5
- version/f5 big-ip edge gateway/11.6.1
- version/f5 big-ip edge gateway/11.6.3
- version/f5 big-ip edge gateway/12.1.0
- version/f5 big-ip edge gateway/12.1.3
- version/f5 big-ip edge gateway/11.2.1
- canonical/f5 big-ip link controller
- version/f5 big-ip link controller/11.5.1
- version/f5 big-ip link controller/11.5.5
- version/f5 big-ip link controller/11.6.1
- version/f5 big-ip link controller/11.6.3
- version/f5 big-ip link controller/12.1.0
- version/f5 big-ip link controller/12.1.3
- version/f5 big-ip link controller/11.2.1
- canonical/f5 big-ip policy enforcement manager
- version/f5 big-ip policy enforcement manager/11.5.1
- version/f5 big-ip policy enforcement manager/11.5.5
- version/f5 big-ip policy enforcement manager/11.6.1
- version/f5 big-ip policy enforcement manager/11.6.3
- version/f5 big-ip policy enforcement manager/12.1.0
- version/f5 big-ip policy enforcement manager/12.1.3
- version/f5 big-ip policy enforcement manager/11.2.1
- canonical/f5 big-ip webaccelerator
- version/f5 big-ip webaccelerator/11.5.1
- version/f5 big-ip webaccelerator/11.5.5
- version/f5 big-ip webaccelerator/11.6.1
- version/f5 big-ip webaccelerator/11.6.3
- version/f5 big-ip webaccelerator/12.1.0
- version/f5 big-ip webaccelerator/12.1.3
- version/f5 big-ip webaccelerator/11.2.1
- canonical/f5 websafe
- version/f5 websafe/11.5.1
- version/f5 websafe/11.5.5
- version/f5 websafe/11.6.1
- version/f5 websafe/11.6.3
- version/f5 websafe/12.1.0
- version/f5 websafe/12.1.3
- version/f5 websafe/11.2.1