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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.3051.2 BIND vulnerability CVE-2019-6471 26 August 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: F5 products Publisher: F5 Networks Operating System: Network Appliance Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-6471 Reference: ESB-2019.2212 Original Bulletin: https://support.f5.com/csp/article/K10092301 Revision History: August 26 2019: Vendor added fixes for BIG-IP versions 11.x and 14.x. August 12 2019: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- K10092301:BIND vulnerability CVE-2019-6471 Security Advisory Original Publication Date: 24 Jul, 2019 Latest Publication Date: 10 Aug, 2019 Security Advisory Description ** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided. (CVE-2019-6471) Impact A remote attacker, who could cause the BIND resolver to perform queries on a server, which responds deliberately with malformed answers, can cause named to exit and result in a denial-of-service (DoS) condition. Security Advisory Status F5 Product Development has assigned ID 794413 (BIG-IP, F5 iWorkflow, and Enterprise Manager) and ID 803389 (BIG-IQ) 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| | | | | +-------------------+------+----------+----------+----------+------+----------+ | |15.x |15.0.0 |15.0.1 | | | | | +------+----------+----------+ | | | | |14.x |14.0.0 - |14.1.2 | | | | |BIG-IP (LTM, AAM, | |14.1.0 |14.0.1 | | | | |AFM, Analytics, +------+----------+----------+ | | | |APM, ASM, DNS, Edge|13.x |13.1.0 - |13.1.3 | | | | |Gateway, FPS, GTM, | |13.1.1 | |Medium |5.9 |BIND | |Link Controller, +------+----------+----------+ | | | |PEM, |12.x |12.1.0 - |12.1.5 | | | | |WebAccelerator) | |12.1.4 | | | | | | +------+----------+----------+ | | | | |11.x |11.5.2 - |11.6.5 | | | | | | |11.6.4 | | | | | +-------------------+------+----------+----------+----------+------+----------+ |Enterprise Manager |3.x |3.1.1 |None |Medium |5.9 |BIND | +-------------------+------+----------+----------+----------+------+----------+ | |6.x |6.0.0 - |None | | | | |BIG-IQ Centralized | |6.1.0 | | | | | |Management +------+----------+----------+Medium |5.9 |BIND | | |5.x |5.1.0 - |None | | | | | | |5.4.0 | | | | | +-------------------+------+----------+----------+----------+------+----------+ |F5 iWorkflow |2.x |2.3.0 |None |Medium |5.9 |BIND | +-------------------+------+----------+----------+----------+------+----------+ |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 - --------------------------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). 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