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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.0814 F5 BIG-IP ASP and Analytics 22 March 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: F5 BIG-IP Products Publisher: F5 Networks Operating System: Network Appliance Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-5505 Original Bulletin: https://support.f5.com/csp/article/K23520761 - --------------------------BEGIN INCLUDED TEXT-------------------- K23520761: BIG-IP ASM and BIG-IP Analytics vulnerability CVE-2018-5505 Security Advisory Original Publication Date: Mar 22, 2018 Security Advisory Description When BIG-IP ASM and BIG-IP Analytics are both provisioned, the Traffic Management Microkernel (TMM) may restart while processing DNS requests when the virtual server is configured with a DNS profile and the Protocol setting is set to TCP. (CVE-2018-5505) Impact An attacker may be able to execute a remote denial of service. Disabling any of the components mentioned in the description (for example, removing the DNS profile from the virtual server) avoids the issue. Virtual servers configured with UDP for the Protocol setting are not affected. Security Advisory Status F5 Product Development has assigned ID 703517 and ID 705161 (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 or hotfixes that address the vulnerability, refer to the following table. +-------------------+------+----------+----------+----------+------+----------+ | | |Versions |Fixes | |CVSSv3|Vulnerable| |Product |Branch|known to |introduced|Severity |score |component | | | |be |in | | |or feature| | | |vulnerable| | | | | +-------------------+------+----------+----------+----------+------+----------+ | |13.x |13.1.0 |13.1.0.4 | | | | | +------+----------+----------+ | | | |BIG-IP (ASM and |12.x |None |Not | | |ASM and | |Analytics) | | |applicable|High |8.2 |AVR | | +------+----------+----------+ | |modules | | |11.x |None |Not | | | | | | | |applicable| | | | +-------------------+------+----------+----------+----------+------+----------+ 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. Note: For details about how Security Advisory articles are versioned, and what versions are listed in the table, refer to K51812227: Understanding Security Advisory versioning. 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 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 iQIVAwUBWrMy3Yx+lLeg9Ub1AQhalBAAjGeb+BIIT12W93bb5qDqGD/T8cAxvxD8 Am2LNkcov1N+6lIPtWXWM9k2wyP5bMR1u8rQy0vFmagxSscBLdUo9CU3X3WkU+8R CJb1MRbviA5Erw/xj0IwNzWZGyqu6LxqA1dV4aCDOrIc/4MNsDVCc6ipIz4YbXIM Wk5AeKMBPnPAo2TAAqo1cIHzb+lXl0cGI7ZzjrEvAbrb/5ZmpjseK5bsJd0yPSV3 PlGQ02XcuZdhG1XEFnU0xVKnVarfC7OhKwnc5qWB7OBO0/S2xS37s2lkNLF5yDUs 4ogjsEZ1sD6UcoVTKt2ObSun1UDtnL4BSqN3wlQ3qjmj2d1cq22AOviWEIumuBSS nBuWph0n22elJmRLFMDm/GGa4Y1owm+xXXgEBkuV4HHZkhxVNzBfrkHZGzf7ufvY w/5fU55Ii8v4rz8gyD5VxdJ2oYU57tPVnmcr2kykIQCXKUEIxrpbu1B/SapcbAEF KpTonJ1XfbhIM8TEn0Y25V/LoRyHuzWWUrrVhGT8tHqACzbNQieDDVkUrLl9QraJ opxP6mJW7n7EJkywKTa+Ueh3Dp7nvp1PVYC7OO1wi6uSCp2KT5z9oaxcl+CRZ+48 3YGhfR5cWCr72J5yIkGltqwRiXwENZ6GTNeDos1PzcbUqzjnBB+mOwmEpz1eohHw RTJiJcUNZgY= =TRKl -----END PGP SIGNATURE-----