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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.2230 A vulnerability has been identified in F5 Traffix SDC 1 August 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: F5 Traffix SDC Publisher: F5 Networks Operating System: Network Appliance Impact/Access: Denial of Service -- Existing Account Resolution: None CVE Names: CVE-2016-8650 Reference: ESB-2018.1797 ASB-2017.0020 ESB-2017.2364 ESB-2017.0950 ESB-2017.0949 ESB-2017.0948 ESB-2017.0594 Original Bulletin: https://support.f5.com/csp/article/K46394694 - --------------------------BEGIN INCLUDED TEXT-------------------- K46394694: Linux kernel vulnerability CVE-2016-8650 Security Advisory Original Publication Date: Aug 01, 2018 Applies to (see versions): o Product: BIG-IQ, BIG-IQ Centralized Management - 6.0.0, 5.4.0, 5.3.0, 5.2.0, 5.1.0, 5.0.0, 4.6.0 o Product: BIG-IP, BIG-IP AAM, BIG-IP AFM, BIG-IP Analytics, BIG-IP APM, BIG-IP ASM, BIG-IP DNS, BIG-IP Edge Gateway, BIG-IP FPS, BIG-IP GTM, BIG-IP Link Controller, BIG-IP LTM, BIG-IP PEM, BIG-IP WebAccelerator - 13.1.0, 13.0.1, 13.0.0, 12.1.3, 12.1.2, 12.1.1, 12.1.0, 11.6.3, 11.6.2, 11.6.1, 11.5.7, 11.5.6, 11.5.5, 11.5.4, 11.5.3, 11.5.2, 11.5.1, 11.2.1 o Product: Enterprise Manager - 3.1.1 o Product: F5 iWorkflow - 2.3.0, 2.2.0, 2.1.0 o Product: ARX, ARX - 6.4.0, 6.3.0, 6.2.0 o Product: Traffix SDC - 5.1.0, 4.4.0 o Product: BIG-IQ Cloud and Orchestration - 1.0.0 Security Advisory Description The mpi_powm function in lib/mpi/mpi-pow.c in the Linux kernel through 4.8.11 does not ensure that memory is allocated for limb data, which allows local users to cause a denial of service (stack memory corruption and panic) via an add_key system call for an RSA key with a zero exponent. (CVE-2016-8650) Impact Traffix SDC A local attacker can exploit this issue to cause a denial of service (DoS) on the affected system. ARX, BIG-IP, BIG-IQ, iWorkflow, and Enterprise Manager There is no impact; these products are not affected by this vulnerability. Security Advisory Status F5 Product Development has assigned CPF-24929 and CPF-24930 (Traffix SDC) 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| | | | | +-------------------+------+----------+----------+----------+------+----------+ |BIG-IP (LTM, AAM, |13.x |None |Not | | | | |AFM, Analytics, | | |applicable| | | | |APM, ASM, DNS, Edge+------+----------+----------+ | | | |Gateway, FPS, GTM, |12.x |None |Not |Not |None |None | |Link Controller, | | |applicable|vulnerable| | | |PEM, +------+----------+----------+ | | | |WebAccelerator) |11.x |None |Not | | | | | | | |applicable| | | | +-------------------+------+----------+----------+----------+------+----------+ |ARX |6.x |None |Not |Not |None |None | | | | |applicable|vulnerable| | | +-------------------+------+----------+----------+----------+------+----------+ |Enterprise Manager |3.x |None |Not |Not |None |None | | | | |applicable|vulnerable| | | +-------------------+------+----------+----------+----------+------+----------+ | |6.x |None |Not | | | | | | | |applicable| | | | | +------+----------+----------+ | | | |BIG-IQ Centralized |5.x |None |Not |Not |None |None | |Management | | |applicable|vulnerable| | | | +------+----------+----------+ | | | | |4.x |None |Not | | | | | | | |applicable| | | | +-------------------+------+----------+----------+----------+------+----------+ |BIG-IQ Cloud and |1.x |None |Not |Not |None |None | |Orchestration | | |applicable|vulnerable| | | +-------------------+------+----------+----------+----------+------+----------+ |F5 iWorkflow |2.x |None |Not |Not |None |None | | | | |applicable|vulnerable| | | +-------------------+------+----------+----------+----------+------+----------+ | |5.x |5.0.0 - |None | | | | |Traffix SDC | |5.1.0 | |High |8.8 |Linux | | +------+----------+----------+ | |kernel | | |4.x |4.4.0 |None | | | | +-------------------+------+----------+----------+----------+------+----------+ ^1 The 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 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 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBW2EWiWaOgq3Tt24GAQgkehAAst0/94/r9jgqzkuzwX6boL7sNjM/2xUo j9K1qGA6riiN21aHV+cJJSNIWotEXKzoYmFvSRsfOpDli8A7R+ubXy4c28/guBdS iNDbKuePaLrCKsJ3WNkosIyV3RuPcr57/ItJnTuGZW088mbuILF928GyxgFNKTRu AVL6hbD41Tz/qB9FlPL6DPltQNAsbudNQtdVaHwNf87yd5eehY/7cgK+y3eb4+pU ezmNrOdwy+jUdAw7LKq7efxytBfrA6zcYNMXIhXpfnsqxFGwAUlD+M9lkO32GqxU RqeH7utRFudu6WyATLNcl8BvaSa7gjTREqlaqFCmLJHDlsB5UAtaEjRXuUdLZEbp wuaAT4vATvJSVS8HFVRYIaYIm5wpcdFBOASxAT8XAZkH10WHp/CWzSz8MZDOSdho DRRqCc3RSnei3gR96dE9JgzTqExH60CivGavbFFgtkxDCD6UO1J+VWus1BE7hm3e Dyvvg4VDEZAb5p0q68U8zdK84dMTKhNQDY/j2qw2S+Nt6vNYm00h6LtveujYeCmA TfWySzw2GHeOIdnzMKoZtmY06VHvl7nhWIZf2RCe4BgVpdz9TvaBdVq5p1q/OAfv IWCZIAeWOP6YDVk6cbZYWtABeQMe30cTmrbioLHSy7x6ICO6DBfzO8cpJ+fPefGu 5PTNanuXPPs= =jhXq -----END PGP SIGNATURE-----