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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.1251
                   Bootstrap vulnerability CVE-2019-8331
                               11 April 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           F5 BIG-IP products
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Cross-site Scripting -- Remote with User Interaction
Resolution:        Mitigation
CVE Names:         CVE-2019-8331  

Reference:         ESB-2019.1171

Original Bulletin: 
   https://support.f5.com/csp/article/K24383845

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K24383845:Bootstrap vulnerability CVE-2019-8331

Security Advisory

Original Publication Date: 11 Apr, 2019

Security Advisory Description

In Bootstrap before 3.4.1 and 4.3.x before 4.3.1, XSS is possible in the
tooltip or popover data-template attribute. (CVE-2019-8331)

Impact

An attacker can inject a malicious script into a client browser. Additionally,
an attacker can trick a user into running malicious code.

Security Advisory Status

F5 Product Development has assigned ID 767373 (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. For more information
about security advisory versioning, refer to K51812227: Understanding Security
Advisory versioning.

+------------------+------+----------+----------+-----------+------+----------+
|                  |      |Versions  |Fixes     |           |CVSSv3|Vulnerable|
|Product           |Branch|known to  |introduced|Severity   |score^|component |
|                  |      |be        |in        |           |1     |or feature|
|                  |      |vulnerable|          |           |      |          |
+------------------+------+----------+----------+-----------+------+----------+
|                  |14.x  |14.0.0 -  |None      |           |      |          |
|                  |      |14.1.0    |          |           |      |          |
|BIG-IP (LTM, AAM, +------+----------+----------+           |      |          |
|AFM, Analytics,   |13.x  |13.0.0 -  |None      |           |      |iApps/    |
|APM, ASM, DNS,    |      |13.1.1    |          |           |      |iAppsLX   |
|Edge Gateway, FPS,+------+----------+----------+High       |7.5   |that use  |
|GTM, Link         |12.x  |12.1.0 -  |None      |           |      |Bootstrap^|
|Controller, PEM,  |      |12.1.4    |          |           |      |3         |
|WebAccelerator)   +------+----------+----------+           |      |          |
|                  |11.x  |None      |Not       |           |      |          |
|                  |      |          |applicable|           |      |          |
+------------------+------+----------+----------+-----------+------+----------+
|                  |      |          |Not       |Not        |      |          |
|Enterprise Manager|3.x   |None      |applicable|vulnerable^|None  |None      |
|                  |      |          |          |2          |      |          |
+------------------+------+----------+----------+-----------+------+----------+
|                  |6.x   |None      |Not       |           |      |          |
|BIG-IQ Centralized|      |          |applicable|Not        |      |          |
|Management        +------+----------+----------+vulnerable^|None  |None      |
|                  |5.x   |None      |Not       |2          |      |          |
|                  |      |          |applicable|           |      |          |
+------------------+------+----------+----------+-----------+------+----------+
|                  |      |          |Not       |Not        |      |          |
|F5 iWorkflow      |2.x   |None      |applicable|vulnerable^|None  |None      |
|                  |      |          |          |2          |      |          |
+------------------+------+----------+----------+-----------+------+----------+
|                  |5.x   |None      |Not       |           |      |          |
|                  |      |          |applicable|Not        |      |          |
|Traffix SDC       +------+----------+----------+vulnerable |None  |None      |
|                  |4.x   |None      |Not       |           |      |          |
|                  |      |          |applicable|           |      |          |
+------------------+------+----------+----------+-----------+------+----------+

^1The CVSSv3 score link takes you to a resource outside of AskF5, and it is
possible that the document may be removed without our knowledge.

^2The specified products contain the affected code. However, F5 identifies the
vulnerability status as Not vulnerable because the attacker cannot exploit the
code in default, standard, or recommended configurations.

^3F5-issued iApps/iAppsLX are not vulnerable as they do not use Bootstrap;
however, third party iApps/iAppsLX may use it.

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

Do not load third party iApps/iAppsLX that use Bootstrap--specifically
avoid the data-template attribute in the tooltip and popover plugins
of Bootstrap.

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 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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