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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.2077 K82038789:big3d vulnerability CVE-2018-5540 19 July 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: F5 BIG-IP products F5 BIG-IQ products Publisher: F5 Networks Operating System: Network Appliance Impact/Access: Reduced Security -- Unknown/Unspecified Resolution: Patch/Upgrade CVE Names: CVE-2018-5532 Original Bulletin: https://support.f5.com/csp/article/K82038789 - --------------------------BEGIN INCLUDED TEXT-------------------- K82038789:big3d vulnerability CVE-2018-5540 Security Advisory Original Publication Date: 19 Jul, 2018 Security Advisory Description The big3d process does not irrevocably minimize group privileges at startup. ( CVE-2018-5540) Impact There is not a known attack vector, but if the big3d process is compromised, it is possible for it to regain the group privileges it was launched with. Security Advisory Status F5 Product Development has assigned ID 603758 (BIG-IP), ID 726215 (BIG-IQ), ID 726211 (Enterprise Manager), and ID 726215 (iWorkflow) 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| | | | | +------------------+------+----------+----------+----------+------+----------+ | |13.x |13.0.0 - |13.1.0 | | | | | | |13.0.1 | | | | | | +------+----------+----------+ | | | |BIG-IP (DNS, GTM) |12.x |12.1.0 - |12.1.3.4 | | | | | | |12.1.3 | |Low |3.9 |big3d | | +------+----------+----------+ | | | | | |11.6.0 - | | | | | | |11.x |11.6.3 |11.6.3.2 | | | | | | |11.5.1 - |11.5.7 | | | | | | |11.5.6 | | | | | +------------------+------+----------+----------+----------+------+----------+ |BIG-IP (LTM, AAM, |13.x |None |Not | | | | |AFM, Analytics, | | |applicable| | | | |APM, ASM, Edge +------+----------+----------+ | | | |Gateway, Link |12.x |None |Not |Not |None |None | |Controller, PEM, | | |applicable|Vulnerable| | | |WebAccelerator, +------+----------+----------+ | | | |WebSafe) |11.x |None |Not | | | | | | | |applicable| | | | +------------------+------+----------+----------+----------+------+----------+ |ARX |6.x |None |Not |Not |None |None | | | | |applicable|Vulnerable| | | +------------------+------+----------+----------+----------+------+----------+ |Enterprise Manager|3.x |3.1.1 |Not |Low |3.9 |big3d | | | | |applicable| | | | +------------------+------+----------+----------+----------+------+----------+ | |6.x |None |Not | | | | | | | |applicable| | | | | +------+----------+----------+ | | | |BIG-IQ Centralized|5.x |5.0.0 - |5.2.0 |Low |3.9 |big3d | |Management | |5.1.0 | | | | | | +------+----------+----------+ | | | | |4.x |None |Not | | | | | | | |applicable| | | | +------------------+------+----------+----------+----------+------+----------+ |BIG-IQ Cloud and |1.x |1.0.0 |None |Low |3.9 |big3d | |Orchestration | | | | | | | +------------------+------+----------+----------+----------+------+----------+ |F5 iWorkflow |2.x |2.1.0 - |None |Low |3.9 |big3d | | | |2.3.0 | | | | | +------------------+------+----------+----------+----------+------+----------+ | |5.x |None |Not | | | | | | | |applicable|Not | | | |Traffix SDC +------+----------+----------+vulnerable|None |None | | |4.x |None |Not | | | | | | | |applicable| | | | +------------------+------+----------+----------+----------+------+----------+ ^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 K9502: BIG-IP hotfix and point release matrix o K13123: Managing BIG-IP product hotfixes (11.x - 13.x) o K15106: Managing BIG-IQ product hotfixes o K15113: BIG-IQ hotfix 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 o K21232150: Considerations for upgrading BIG-IQ or F5 iWorkflow systems - --------------------------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 iQIVAwUBW0/UIWaOgq3Tt24GAQjqCQ/7BAkyloT+rpbTSfV36z0yK86SPGYDQ10X Olm7DMS0RKcz71y4bDuQHCKNK9sCnHBd56hsjCYJNTKPoq/3MN2rOQSy5/09azPi 8YTVin8GADowyAJKn7+OKD8crVCsECY2Vu76Zdm73W/h+XXaKbBixSlVKiB0VtTc 3kWITndhYmdhnK/b7Pos2kl/Fm+++WLkqUinEsl7xH8iQ2Wd90j+GUMDIAjMY9Mz PcRkFvFilkP8fZbMDDw//tjQluLguliYYs/8oDf/CaojDQwnYXTDVA9ZNOZOkixI oGqNy1lmAc00bKBiSsR/EqjxIocqg85QDZL+gy/etIM+pqTPVpO/GNLwD8n82H/3 0S1Qf8Jg6r+g8gp2gtO+WTxScSZTUJNOaj5oWGPhsKpD+gen517ELKrTFg6flKpl QHT00dDE88A3PnWDVo6IbOgemEu2HmXnfPwniCU55GqwKojENwfC0gVFLw3l1YVJ T+MeX0bdbXH0isSPBHl93i7U39kTBd4l0KOVfmVGwflwLE8X9oEc7DG1usrUfWUw pdFgCKNglMAxBPWsZBT4c8qLK7P0XEHNSWOhlOkwfyALo7BQpq9NfmzCxATrxXd7 fJDG7R1dcVm8xFG36UzISU2n0XG3o7wq4HGtBPeNXWk3OYUFzL68s48VzqGdKAgH pEHz57GK6c0= =guV2 -----END PGP SIGNATURE-----