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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.3257 Apache vulnerability announced and patched in F5 Networks products 21 December 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: F5 BIG-IP products F5 Enterprise Manager Publisher: F5 Networks Operating System: Network Appliance Virtualisation Linux variants Windows Impact/Access: Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2017-6146 Original Bulletin: https://support.f5.com/csp/article/K42644206 Comment: This advisory references vulnerabilities in products which run on platforms other than F5 products. It is recommended that administrators running mod_auth_token check for an updated version of the software for their operating system. The vulnerability exists in mod_auth_token and mod_f5_auth_token. The vendor notes: "This vulnerability can disclose the em_server_ip field of valid client certificates. This does not reveal the certificate needed for authentication." - --------------------------BEGIN INCLUDED TEXT-------------------- K42644206: Apache vulnerability CVE-2017-6146 Security Advisory Original Publication Date: Dec 21, 2017 Security Advisory Description Apache modules apache_auth_token_mod and mod_auth_f5_auth_token.cpp allow possible unauthenticated bruteforce on the em_server_ip authorization parameter to obtain which SSL client certificates used for mutual authentication between BIG-IQ or Enterprise Manager (EM) and managed BIG-IP devices. (CVE-2017-6146) Impact This vulnerability can disclose the em_server_ip field of valid client certificates. This does not reveal the certificate needed for authentication. Security Advisory Status F5 Product Development has assigned ID 572272 (BIG-IP) and ID 663962 (Enterprise Manager) 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 or | | | |be |in | |1 |feature | | | |vulnerable| | | | | |---------------+------+----------+----------+----------+------+--------------| | |13.x |13.0.0 |13.1.0 | | | | | | | |13.0.0 HF1| | | | | |------+----------+----------| | | | |BIG-IP (LTM, |12.x |12.0.0 - |12.1.3 | | | | |AAM, AFM, | |12.1.2 | | | |Apache HTTPD | |Analytics, ASM,|------+----------+----------|Medium |5.3 |(Configuration| |DNS, GTM, Link | |11.6.0 - | | | |utility, | |Controller, | |11.6.1 | | | |iControl) | |PEM, WebSafe) |11.x |11.5.0 - |11.6.2 | | | | | | |11.5.4 |11.5.5 | | | | | | |11.4.0 - | | | | | | | |11.4.1 | | | | | |---------------+------+----------+----------+----------+------+--------------| | |13.x |None |Not | | | | | | | |applicable| | | | | |------+----------+----------| | | | |BIG-IP (APM) |12.x |None |Not |Not |None |None | | | | |applicable|vulnerable| | | | |------+----------+----------| | | | | |11.x |None |Not | | | | | | | |applicable| | | | |---------------+------+----------+----------+----------+------+--------------| |ARX |6.x |None |Not |Not |None |None | | | | |applicable|vulnerable| | | |---------------+------+----------+----------+----------+------+--------------| | | | | | | |Apache HTTPD | |Enterprise |3.x |3.1.1 |Not |Medium |5.3 |(Configuration| |Manager | | |applicable| | |utility, | | | | | | | |iControl) | |---------------+------+----------+----------+----------+------+--------------| |BIG-IQ (Cloud, | | |Not |Not | | | |Device, |4.x |None |applicable|vulnerable|None |None | |Security, ADC) | | | | | | | |---------------+------+----------+----------+----------+------+--------------| | |5.x |None |Not | | | | |BIG-IQ | | |applicable|Not | | | |Centralized |------+----------+----------|vulnerable|None |None | |Management |4.x |None |Not | | | | | | | |applicable| | | | |---------------+------+----------+----------+----------+------+--------------| |BIG-IQ Cloud | | |Not |Not | | | |and |1.x |None |applicable|vulnerable|None |None | |Orchestration | | | | | | | |---------------+------+----------+----------+----------+------+--------------| |F5 iWorkflow |2.x |None |Not |Not |None |None | | | | |applicable|vulnerable| | | |---------------+------+----------+----------+----------+------+--------------| |LineRate |2.x |None |Not |Not |None |None | | | | |applicable|vulnerable| | | |---------------+------+----------+----------+----------+------+--------------| | |5.x |None |Not | | | | | | | |applicable|Not | | | |Traffix SDC |------+----------+----------|vulnerable|None |None | | |4.x |None |Not | | | | | | | |applicable| | | | +-----------------------------------------------------------------------------+ ^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. 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 - --------------------------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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