ESB-2018.1899 - [Appliance] F5 products: Denial of service - Existing account 2018-06-29
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AUSCERT External Security Bulletin Redistribution
ESB-2018.1899
Denial of service patched in F5 products
29 June 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: F5 BIG-IP products
F5 Enterprise Manager
F5 BIG-IQ products
F5 iWorkflow
F5 Traffix SDC
Publisher: F5 Networks
Operating System: Network Appliance
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2017-7542
Reference: ESB-2017.2075
ESB-2017.1958
Original Bulletin:
https://support.f5.com/csp/article/K84024430
Comment: Note that not all affected products have a patch available yet.
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K84024430: Linux kernel vulnerability CVE-2017-7542
Security Advisory
Original Publication Date: Mar 16, 2018
Updated Date: Jun 29, 2018
Security Advisory Description
The ip6_find_1stfragopt function in net/ipv6/output_core.c in the Linux kernel
through 4.12.3 allows local users to cause a denial of service (integer
overflow and infinite loop) by leveraging the ability to open a raw socket. (
CVE-2017-7542)
Impact
This vulnerability allows disruption of service.
Security Advisory Status
F5 Product Development has assigned ID 709256 (BIG-IP), ID 710329 (BIG-IQ), ID
710328 (Enterprise Manager), and ID 710329 (F5 iWorkflow) to this
vulnerability. Additionally, BIG-IP iHealth may list Heuristic H84024430 on the
Diagnostics > Identified > Medium page.
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 |13.0.0 - |13.1.0.8 | | | |
|BIG-IP (LTM, AAM, | |13.1.0 | | | | |
|AFM, Analytics, |------+----------+----------| | | |
|APM, ASM, DNS, Edge|12.x |12.1.0 - |12.1.3.3 | | | |
|Gateway, GTM, Link | |12.1.3 | |Medium |5.5 |Kernel |
|Controller, PEM, |------+----------+----------| | | |
|WebAccelerator, | |11.6.0 - | | | | |
|WebSafe) |11.x |11.6.3 |11.6.3.1 | | | |
| | |11.2.1 - |11.5.6 | | | |
| | |11.5.5 | | | | |
|-------------------+------+----------+----------+----------+------+----------|
|ARX |6.x |None |Not |Not |None |None |
| | | |applicable|vulnerable| | |
|-------------------+------+----------+----------+----------+------+----------|
|Enterprise Manager |3.x |3.1.1 |None |Medium |5.5 |Kernel |
|-------------------+------+----------+----------+----------+------+----------|
| |5.x |5.0.0 - |None | | | |
|BIG-IQ Centralized | |5.4.0 | |Medium |5.5 |Kernel |
|Management |------+----------+----------| | | |
| |4.x |4.6.0 |None | | | |
|-------------------+------+----------+----------+----------+------+----------|
|BIG-IQ Cloud and |1.x |1.0.0 |None |Medium |5.5 |Kernel |
|Orchestration | | | | | | |
|-------------------+------+----------+----------+----------+------+----------|
|F5 iWorkflow |2.x |2.0.1 - |None |Medium |5.5 |Kernel |
| | |2.3.0 | | | | |
|-------------------+------+----------+----------+----------+------+----------|
|LineRate |2.x |None |Not |Not |None |None |
| | | |applicable|vulnerable| | |
|-------------------+------+----------+----------+----------+------+----------|
| |5.x |5.0.0 - |None | | | |
| | |5.1.0 | | | | |
|Traffix SDC |------+----------+----------|Medium |5.5 |Kernel |
| |4.x |4.0.5 - |None | | | |
| | |4.4.0 | | | | |
+-----------------------------------------------------------------------------+
^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.
To determine the necessary upgrade path for your BIG-IQ system, you should
understand the BIG-IQ product offering name changes. For more information,
refer to K21232150: Considerations for upgrading BIG-IQ or F5 iWorkflow systems
.
Mitigation
None
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