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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.3195.4 BIND vulnerability CVE-2020-8624 14 December 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: BIG-IP products BIG-IQ products Publisher: F5 Networks Operating System: Network Appliance Impact/Access: Modify Arbitrary Files -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-8624 Reference: ESB-2020.2872 Original Bulletin: https://support.f5.com/csp/article/K91090139 Revision History: December 14 2020: Fixed versions added to advisory October 19 2020: Fixed version added to advisory September 25 2020: Minor advisory update September 18 2020: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- K91090139: BIND vulnerability CVE-2020-8624 Original Publication Date: 25 Aug, 2020 Latest Publication Date: 12 Dec, 2020 Security Advisory Description In BIND 9.9.12 -> 9.9.13, 9.10.7 -> 9.10.8, 9.11.3 -> 9.11.21, 9.12.1 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.12-S1 -> 9.9.13-S1, 9.11.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker who has been granted privileges to change a specific subset of the zone's content could abuse these unintended additional privileges to update other contents of the zone. (CVE-2020-8624) Impact An attacker with the privilege to change a specific subset of a zone's content has the unintended privilege to update other parts of a zone. Security Advisory Status F5 Product Development has assigned ID 935721 (BIG-IP) 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, point 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| | | | | +-------------------+------+----------+----------+----------+------+----------+ | |16.x |16.0.0 |16.0.0.1 | | | | | +------+----------+----------+ | | | | |15.x |15.0.0 - |15.1.1 | | | | | | |15.1.0 | | | | | |BIG-IP (LTM, AAM, +------+----------+----------+ | | | |Advanced WAF, AFM, |14.x |14.1.0 - |14.1.2.8 | | | | |Analytics, APM, | |14.1.2 | | | | | |ASM, DDHD, DNS, +------+----------+----------+Medium |4.3 |BIND | |FPS, GTM, Link |13.x |13.1.2 - |13.1.3.5 | | | | |Controller, PEM, | |13.1.3 | | | | | |SSLO) +------+----------+----------+ | | | | |12.x |12.1.4 - |None | | | | | | |12.1.5 | | | | | | +------+----------+----------+ | | | | |11.x |11.6.4 - |None | | | | | | |11.6.5 | | | | | +-------------------+------+----------+----------+----------+------+----------+ | |7.x |None |Not | | | | | | | |applicable| | | | | +------+----------+----------+ | | | |BIG-IQ Centralized |6.x |None |Not |Not |None |None | |Management | | |applicable|vulnerable| | | | +------+----------+----------+ | | | | |5.x |None |Not | | | | | | | |applicable| | | | +-------------------+------+----------+----------+----------+------+----------+ |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 Supplemental Information 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 - 16.x) 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 iQIVAwUBX9amW+NLKJtyKPYoAQicIQ/+JrcWuVT5P1p8OJkmVeAaXS/IzomLpJcE fd+TwLyC1n0r5wSvl5lP4zEV0egqVqhDXPwrW1PLhyVSygZGPfNywhRWu1OcCRVe YkED72J4Cqn2Q3z9iFghkeBXirb0jfke4aIltMkHZpBGkxggVBmqOZXox+O7jktX LQevMyrOpxr4wyNoRgoPXx5JIQPG2mX+0lwvHRzbGG7SscIdU9HLwsUb6CZq0oRQ mjAsiExv+8g2HEBymvOCzH/Jsygkj4gnISJBonYaWMKgqkaTGDmEa07CMP2FpH3W HUeXlWurjOD7gsrsit0tEEVLrvf7B+WgB2u0Y4q9vxcSzhKiQSR/vHWNwSlpR2g7 Fmi1+8iUuh6hQy1DEn61DZNKJit9vbKbLCZCyhRMqp1rRIIi/N3+9Qtxh/jzoTMo Gg1fE1D7MIHQCGJqFcLazfzuTdD6NH/+nP8p1CsHdK9J1G5X6++KjfJe5Nv6fKUz 2NV7kSLcz0kWlivnBMMjctviGs/ev2/BM6v3l/OEMsnWYv/JVZaj7OApY52oad6S ukC/teZwrna+GCG3Uckt7pUECeKIh4eIsHBvoKeLDQYmpboMVYeU0k+NVukLOgLM BMwFra4D0nW8fOjWdmfj0vp5VOc1Z3Ry9Di9kwzF43T0xRjkalnCX8uPEhV3RsVC wG9nz8pIyRY= =3ppI -----END PGP SIGNATURE-----