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             AUSCERT External Security Bulletin Redistribution

                              ESB-2020.4269.2
                    Jetty vulnerability CVE-2019-10247
                              17 August 2021

===========================================================================

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

Product:           BIG-IP
                   BIG-IQ Centralized Management
                   Traffix SDC
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Access Confidential Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-10247  

Reference:         ASB-2020.0184
                   ESB-2020.3485
                   ESB-2020.1335
                   ESB-2020.1030

Original Bulletin: 
   https://support.f5.com/csp/article/K41412302

Revision History:  August   17 2021: Vendor issues branch updates
                   December  2 2020: Initial Release

- --------------------------BEGIN INCLUDED TEXT--------------------

K41412302: Jetty vulnerability CVE-2019-10247

Original Publication Date: 02 Dec, 2020
Latest   Publication Date: 17 Aug, 2021

Security Advisory Description

In Eclipse Jetty version 7.x, 8.x, 9.2.27 and older, 9.3.26 and older, and
9.4.16 and older, the server running on any OS and Jetty version combination
will reveal the configured fully qualified directory base resource location on
the output of the 404 error for not finding a Context that matches the
requested path. The default server behavior on jetty-distribution and
jetty-home will include at the end of the Handler tree a DefaultHandler, which
is responsible for reporting this 404 error, it presents the various configured
contexts as HTML for users to click through to. This produced HTML includes
output that contains the configured fully qualified directory base resource
location for each context. (CVE-2019-10247)

Impact

Access to restricted information is obtained when base resource locations are
revealed in the output of the 404 error.

Security Advisory Status

F5 Product Development has assigned ID 960205 (BIG-IQ) and CPF-25219 (Traffix)
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, point 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|          |           |      |          |
+------------------+------+----------+----------+-----------+------+----------+
|                  |16.x  |None      |Not       |           |      |          |
|                  |      |          |applicable|           |      |          |
|                  +------+----------+----------+           |      |          |
|                  |15.x  |None      |Not       |           |      |          |
|                  |      |          |applicable|           |      |          |
|BIG-IP (LTM, AAM, +------+----------+----------+           |      |          |
|Advanced WAF, AFM,|14.x  |None      |Not       |           |      |          |
|Analytics, APM,   |      |          |applicable|Not        |      |          |
|ASM, DDHD, DNS,   +------+----------+----------+vulnerable^|None  |None      |
|FPS, GTM, Link    |13.x  |None      |Not       |2          |      |          |
|Controller, PEM,  |      |          |applicable|           |      |          |
|SSLO)             +------+----------+----------+           |      |          |
|                  |12.x  |None      |Not       |           |      |          |
|                  |      |          |applicable|           |      |          |
|                  +------+----------+----------+           |      |          |
|                  |11.x  |None      |Not       |           |      |          |
|                  |      |          |applicable|           |      |          |
+------------------+------+----------+----------+-----------+------+----------+
|                  |8.x   |None      |Not       |           |      |          |
|                  |      |          |applicable|           |      |          |
|                  +------+----------+----------+           |      |          |
|                  |7.x   |7.1.0     |None      |           |      |iControl  |
|BIG-IQ Centralized+------+----------+----------+Medium     |5.3   |REST      |
|Management        |6.x   |None      |Not       |           |      |(Jetty    |
|                  |      |          |applicable|           |      |server)   |
|                  +------+----------+----------+           |      |          |
|                  |5.x   |None      |Not       |           |      |          |
|                  |      |          |applicable|           |      |          |
+------------------+------+----------+----------+-----------+------+----------+
|                  |      |          |          |           |      |Bash      |
|Traffix SDC       |5.x   |5.1.0     |None      |Medium     |5.3   |(Jetty    |
|                  |      |          |          |           |      |server)   |
+------------------+------+----------+----------+-----------+------+----------+

^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.

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

Supplemental Information

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 K15106: Managing BIG-IQ product hotfixes
  o K15113: BIG-IQ hotfix and point release matrix
  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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