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AUSCERT External Security Bulletin Redistribution
ESB-2019.4307
BIG-IP restjavad vulnerability CVE-2019-6662
15 November 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: F5 Big-IP products
Publisher: F5 Networks
Operating System: Network Appliance
Impact/Access: Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-6662
Original Bulletin:
https://support.f5.com/csp/article/K01049383
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K01049383:BIG-IP restjavad vulnerability CVE-2019-6662
Security Advisory
Original Publication Date: 15 Nov, 2019
Security Advisory Description
Sensitive information is logged into the local log files and/or remote logging
targets when restjavad processes an invalid request. Users with access to the
log files would be able to view that data. (CVE-2019-6662)
Impact
When logging invalid requests, such as HTTP code 400 errors, the restjavad
process includes the request body in the log message. During authentication
operations, the request body includes credentials and potentially other
sensitive data, which is propagated to the log. No information is directly
exposed, and attacks will not be able to take control when 400 errors occur,
but when the system is in a state in which processing errors occur, sensitive
data may be logged. Users with access to logs will be able to view that data.
Security Advisory Status
F5 Product Development has assigned ID 791369 (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, 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| | | | |
+-------------------+------+----------+----------+----------+------+----------+
| |15.x |None |Not | | | |
| | | |applicable| | | |
| +------+----------+----------+ | | |
|BIG-IP (LTM, AAM, |14.x |None |14.0.0 | | | |
|AFM, Analytics, +------+----------+----------+ | | |
|APM, ASM, DNS, Edge|13.x |13.1.0 - |13.1.1.5 | | | |
|Gateway, FPS, GTM, | |13.1.1 | |Medium |5.9 |restjavad |
|Link Controller, +------+----------+----------+ | | |
|PEM, |12.x |None |Not | | | |
|WebAccelerator) | | |applicable| | | |
| +------+----------+----------+ | | |
| |11.x |None |Not | | | |
| | | |applicable| | | |
+-------------------+------+----------+----------+----------+------+----------+
|Enterprise Manager |3.x |None |Not |Not |None |None |
| | | |applicable|vulnerable| | |
+-------------------+------+----------+----------+----------+------+----------+
| |7.x |None |Not | | | |
| | | |applicable| | | |
| +------+----------+----------+ | | |
|BIG-IQ Centralized |6.x |None |Not |Not |None |None |
|Management | | |applicable|vulnerable| | |
| +------+----------+----------+ | | |
| |5.x |None |Not | | | |
| | | |applicable| | | |
+-------------------+------+----------+----------+----------+------+----------+
|F5 iWorkflow |2.x |None |Not |Not |None |None |
| | | |applicable|vulnerable| | |
+-------------------+------+----------+----------+----------+------+----------+
|Traffix SDC |5.x |None |Not |Not |None |None |
| | | |applicable|vulnerable| | |
+-------------------+------+----------+----------+----------+------+----------+
^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.
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
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 - 15.x)
o K48955220: Installing an OPSWAT Endpoint Security update on BIG-IP APM
systems (11.4.x and later)
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
o K21232150: Considerations for upgrading BIG-IQ or F5 iWorkflow systems
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