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AUSCERT External Security Bulletin Redistribution
ESB-2018.1646
GeoIP vulnerability CVE-2018-5521
1 June 2018
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: BIG-IP Products
Publisher: F5 Networks
Operating System: Network Appliance
Impact/Access: Cross-site Scripting -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-5521
Original Bulletin:
https://support.f5.com/csp/article/K23124150
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K23124150:GeoIP vulnerability CVE-2018-5521
Security Advisory
Original Publication Date: 31 May, 2018
Security Advisory Description
Carefully crafted URLs can be used to reflect arbitrary content into GeoIP
lookup responses, potentially exposing clients to XSS. (CVE-2018-5521)
Impact
BIG-IP
Clients accessing the affected system may be exposed to cross-site scripting
(XSS) attacks.
BIG-IQ / F5 iWorkflow / Enterprise Manager / ARX / LineRate / Traffix SDC
There is no impact; these F5 products are not affected by this vulnerability.
Security Advisory Status
F5 Product Development has assigned ID 631204 (BIG-IP) to this vulnerability.
To determine if your product and version have been evaluated for this
vulnerability, refer to the Applies to (see versions) box. To determine if
your release is known to be vulnerable, the components or features that are
affected by the vulnerability, and for information about releases or hotfixes
that address the vulnerability, refer to the following table.
+------------------+------+----------+----------+----------+------+----------+
| | |Versions |Fixes | |CVSSv3|Vulnerable|
|Product |Branch|known to |introduced|Severity |score^|component |
| | |be |in | |1 |or feature|
| | |vulnerable| | | | |
+------------------+------+----------+----------+----------+------+----------+
| |13.x |None |Not | | | |
| | | |applicable| | | |
|BIG-IP (LTM, AAM, +------+----------+----------+ | | |
|AFM, Analytics, |12.x |12.1.0 - |12.1.3.2 | | | |
|APM, ASM, DNS, | |12.1.3 | | | | |
|Edge Gateway, FPS,+------+----------+----------+Medium |6.1 |GeoIP^2 |
|GTM, Link | |11.6.1 - | | | | |
|Controller, PEM, | |11.6.3 |11.6.3.2 | | | |
|WebAccelerator) |11.x |11.5.1 - |11.5.6 | | | |
| | |11.5.5 | | | | |
| | |11.2.1 | | | | |
+------------------+------+----------+----------+----------+------+----------+
|ARX |6.x |None |Not |Not |None |None |
| | | |applicable|vulnerable| | |
+------------------+------+----------+----------+----------+------+----------+
|Enterprise Manager|3.x |None |Not |Not |None |None |
| | | |applicable|vulnerable| | |
+------------------+------+----------+----------+----------+------+----------+
| |5.x |None |Not | | | |
|BIG-IQ Centralized| | |applicable|Not | | |
|Management +------+----------+----------+vulnerable|None |None |
| |4.x |None |Not | | | |
| | | |applicable| | | |
+------------------+------+----------+----------+----------+------+----------+
|BIG-IQ Cloud and |1.x |None |Not |Not |None |None |
|Orchestration | | |applicable|vulnerable| | |
+------------------+------+----------+----------+----------+------+----------+
|F5 iWorkflow |2.x |None |Not |Not |None |None |
| | | |applicable|vulnerable| | |
+------------------+------+----------+----------+----------+------+----------+
|LineRate |2.x |None |Not |Not |None |None |
| | | |applicable|vulnerable| | |
+------------------+------+----------+----------+----------+------+----------+
| |5.x |None |Not | | | |
| | | |applicable|Not | | |
|Traffix SDC +------+----------+----------+vulnerable|None |None |
| |4.x |None |Not | | | |
| | | |applicable| | | |
+------------------+------+----------+----------+----------+------+----------+
^1 The CVSSv3 score link takes you to a resource outside of AskF5, and it is
possible that the document may be removed without our knowledge.
^2 The GeoIP feature is typically available only when the BIG-IP system is
provisioned with BIG-IP ASM, however the affected GeoIP page is accessible
even if BIG-IP ASM is not provisioned.
Security Advisory Recommended Actions
If you are running a version listed in the Versions known to be vulnerable
column, you can eliminate this vulnerability by upgrading to a version listed
in the Fixes introduced in column. If the table lists only an older version
than what you are currently running, or does not list a non-vulnerable
version, then no upgrade candidate currently exists.
Mitigation
None
Acknowledgements
F5 would like to acknowledge Carlo Beccaria for bringing this issue to our
attention and for following the highest standards of responsible disclosure.
Supplemental Information
o K51812227: Understanding Security Advisory versioning
o K41942608: Overview of Security Advisory articles
o K4602: Overview of the F5 security vulnerability response policy
o K4918: Overview of the F5 critical issue hotfix policy
o K9502: BIG-IP hotfix and point release matrix
o K13123: Managing BIG-IP product hotfixes (11.x - 13.x)
o K167: Downloading software and firmware from F5
o K9970: Subscribing to email notifications regarding F5 products
o K9957: Creating a custom RSS feed to view new and updated documents
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