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AUSCERT External Security Bulletin Redistribution
ESB-2018.1902.4
F5 BIG-IP 13.1.0.8 patches Linux kernel vulnerability
18 December 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: F5 BIG-IP products
Publisher: F5 Networks
Operating System: Network Appliance
Impact/Access: Modify Arbitrary Files -- Existing Account
Denial of Service -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2017-9074
Reference: ESB-2018.0268
ESB-2017.1548
ESB-2017.1526.2
Original Bulletin:
https://support.f5.com/csp/article/K61223103
Revision History: December 18 2018: Updated "Security Advisory Status" table.
October 9 2018: Updated "Security Advisory Status" table.
July 3 2018: Heuristic H61223103 has been added to detect this.
July 2 2018: Initial Release
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K61223103: Linux kernel vulnerability CVE-2017-9074
Security Advisory
Original Publication Date: Mar 16, 2018
Updated Date: Dec 18, 2018
Security Advisory Description
The IPv6 fragmentation implementation in the Linux kernel through 4.11.1 does
not consider that the nexthdr field may be associated with an invalid option,
which allows local users to cause a denial of service (out-of-bounds read and
BUG) or possibly have unspecified other impact via crafted socket and send
system calls. (CVE-2017-9074)
Impact
This vulnerability allows unauthorized disclosure of information, unauthorized
modification, and 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 H61223103 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. 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 |14.1.0 | | | |
| | | |14.0.0.3 | | | |
| +------+----------+----------+ | | |
|BIG-IP (LTM, AAM, |13.x |13.0.0 - |13.1.0.8 | | | |
|AFM, Analytics, | |13.1.0 | | | | |
|APM, ASM, DNS, Edge+------+----------+----------+ | | |
|Gateway, GTM, Link |12.x |12.1.0 - |12.1.3.3 |Medium |5.5 |Kernel |
|Controller, PEM, | |12.1.3 | | | | |
|WebAccelerator, +------+----------+----------+ | | |
|WebSafe) | |11.6.0 - |11.6.3.1 | | | |
| | |11.6.3 | | | | |
| |11.x +----------+----------+ | | |
| | |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 |Not |Medium |5.5 |Kernel |
| | | |applicable| | | |
+-------------------+------+----------+----------+----------+------+----------+
| |6.x |6.0.0 |None | | | |
| +------+----------+----------+ | | |
|BIG-IQ Centralized |5.x |5.0.0 - |None |Medium |5.5 |Kernel |
|Management | |5.4.0 | | | | |
| +------+----------+----------+ | | |
| |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.
Mitigation
None
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