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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.0768.2 NTP vulnerabilities CVE-2017-6464, CVE-2017-6463, CVE-2017-6462 5 April 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-2017-6464 CVE-2017-6463 CVE-2017-6462 Reference: ASB-2017.0219 ESB-2017.2775 ESB-2017.2708 ESB-2017.0973 ESB-2017.0947 Original Bulletin: https://support.f5.com/csp/article/K96670746 https://support.f5.com/csp/article/K07082049 https://support.f5.com/csp/article/K02951273 Comment: This bulletin contains three (3) F5 Networks security advisories. Revision History: April 5 2018: Updated Bulletin K02951273 March 16 2018: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- K96670746: NTP vulnerability CVE-2017-6464 Security Advisory Original Publication Date: May 09, 2017 Updated Date: Mar 16, 2018 Security Advisory Description NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows remote attackers to cause a denial of service (ntpd crash) via a malformed mode configuration directive. (CVE-2017-6464) Impact A remote, authenticated attacker may abuse this vulnerability using a crafted message to cause the network time protocol (NTP) service to no longer respond. Security Advisory Status F5 Product Development has assigned ID 656912 (BIG-IP), ID 657596 (Enterprise Manager), ID 657597 (BIG-IQ), ID 659968 (iWorkflow), and CPF-23673, CPF-23674, CPF-23675 (Traffix) to this vulnerability. Additionally, BIG-IP iHealth may list Heuristic H96670746 on the Diagnostics > Identified > Low page. 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 known |Versions known to| |Vulnerable | |Product |to be |be not vulnerable|Severity |component or | | |vulnerable | | |feature | +---------------+---------------+-----------------+-----------+---------------+ | |13.0.0 | | | | |BIG-IP LTM |12.0.0 - 12.1.2|13.1.0 |Low |ntpd | | |11.4.0 - 11.6.3|12.1.3 | | | | |11.2.1 | | | | +---------------+---------------+-----------------+-----------+---------------+ | |13.0.0 |13.1.0 | | | |BIG-IP AAM |12.0.0 - 12.1.2|12.1.3 |Low |ntpd | | |11.4.0 - 11.6.3| | | | +---------------+---------------+-----------------+-----------+---------------+ | |13.0.0 |13.1.0 | | | |BIG-IP AFM |12.0.0 - 12.1.2|12.1.3 |Low |ntpd | | |11.4.0 - 11.6.3| | | | +---------------+---------------+-----------------+-----------+---------------+ | |13.0.0 | | | | |BIG-IP |12.0.0 - 12.1.2|13.1.0 |Low |ntpd | |Analytics |11.4.0 - 11.6.3|12.1.3 | | | | |11.2.1 | | | | +---------------+---------------+-----------------+-----------+---------------+ | |13.0.0 | | | | |BIG-IP APM |12.0.0 - 12.1.2|13.1.0 |Low |ntpd | | |11.4.0 - 11.6.3|12.1.3 | | | | |11.2.1 | | | | +---------------+---------------+-----------------+-----------+---------------+ | |13.0.0 | | | | |BIG-IP ASM |12.0.0 - 12.1.2|13.1.0 |Low |ntpd | | |11.4.0 - 11.6.3|12.1.3 | | | | |11.2.1 | | | | +---------------+---------------+-----------------+-----------+---------------+ |BIG-IP DNS |13.0.0 |13.1.0 |Low |ntpd | | |12.0.0 - 12.1.2|12.1.3 | | | +---------------+---------------+-----------------+-----------+---------------+ |BIG-IP Edge |11.2.1 |None |Low |ntpd | |Gateway | | | | | +---------------+---------------+-----------------+-----------+---------------+ |BIG-IP GTM |11.4.0 - 11.6.3|None |Low |ntpd | | |11.2.1 | | | | +---------------+---------------+-----------------+-----------+---------------+ | |13.0.0 | | | | |BIG-IP Link |12.0.0 - 12.1.2|13.1.0 |Low |ntpd | |Controller |11.4.0 - 11.6.3|12.1.3 | | | | |11.2.1 | | | | +---------------+---------------+-----------------+-----------+---------------+ | |13.0.0 |13.1.0 | | | |BIG-IP PEM |12.0.0 - 12.1.2|12.1.3 |Low |ntpd | | |11.4.0 - 11.6.3| | | | +---------------+---------------+-----------------+-----------+---------------+ |BIG-IP PSM |11.4.0 - 11.4.1|None |Low |ntpd | +---------------+---------------+-----------------+-----------+---------------+ |BIG-IP |11.2.1 |None |Low |ntpd | |WebAccelerator | | | | | +---------------+---------------+-----------------+-----------+---------------+ | |13.0.0 |13.1.0 | | | |BIG-IP WebSafe |12.0.0 - 12.1.2|12.1.3 |Low |ntpd | | |11.6.0 - 11.6.3| | | | +---------------+---------------+-----------------+-----------+---------------+ | | | |Not | | |ARX |None |6.2.0 - 6.4.0 |vulnerable^|None | | | | |1 | | +---------------+---------------+-----------------+-----------+---------------+ |Enterprise |3.1.1 |None |Low |ntpd | |Manager | | | | | +---------------+---------------+-----------------+-----------+---------------+ |BIG-IQ Cloud |4.4.0 - 4.5.0 |None |Low |ntpd | +---------------+---------------+-----------------+-----------+---------------+ |BIG-IQ Device |4.4.0 - 4.5.0 |None |Low |ntpd | +---------------+---------------+-----------------+-----------+---------------+ |BIG-IQ Security|4.4.0 - 4.5.0 |None |Low |ntpd | +---------------+---------------+-----------------+-----------+---------------+ |BIG-IQ ADC |4.5.0 |None |Low |ntpd | +---------------+---------------+-----------------+-----------+---------------+ |BIG-IQ |5.0.0 - 5.4.0 | | | | |Centralized |4.6.0 |None |Low |ntpd | |Management | | | | | +---------------+---------------+-----------------+-----------+---------------+ |BIG-IQ Cloud | | | | | |and |1.0.0 |None |Low |ntpd | |Orchestration | | | | | +---------------+---------------+-----------------+-----------+---------------+ |F5 iWorkflow |2.0.0 - 2.3.0 |None |Low |ntpd | +---------------+---------------+-----------------+-----------+---------------+ |LineRate |None |2.5.0 - 2.6.2 |Not |None | | | | |vulnerable | | +---------------+---------------+-----------------+-----------+---------------+ |Traffix SDC |5.0.0 - 5.1.0 |None |Low |ntpd | | |4.0.0 - 4.4.0 | | | | +---------------+---------------+-----------------+-----------+---------------+ ^1 The specified products contain the affected code. However, F5 identifies the vulnerability status as Not vulnerable because the attacker cannot exploit the code in default, standard, or recommended configurations. 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 Versions known to be not vulnerable 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. To determine the necessary upgrade path for your BIG-IQ system, you should understand the BIG-IQ product offering name changes. For more information, refer to K21232150: Considerations for upgrading BIG-IQ or F5 iWorkflow systems. Mitigation If you have customized and enabled the NTP mode configuration features, the system should use the access control list to restrict access to remote NTP instances. In addition, you should permit access to F5 products only over a secure network and limit login access to only trusted users. For more information, refer to K13092: Overview of securing access to the BIG-IP system. Supplemental Information o K9970: Subscribing to email notifications regarding F5 products o K9957: Creating a custom RSS feed to view new and updated documents o K4602: Overview of the F5 security vulnerability response policy o K4918: Overview of the F5 critical issue hotfix policy - --- K07082049: NTP vulnerability CVE-2017-6462 Security Advisory Original Publication Date: May 09, 2017 Updated Date: Mar 16, 2018 Security Advisory Description Buffer overflow in the legacy Datum Programmable Time Server (DPTS) refclock driver in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows local users to have unspecified impact via a crafted /dev/datum device. (CVE-2017-6462) Impact This vulnerability allows local users to have an unspecified impact by way of a crafted /dev/datum device. Security Advisory Status F5 Product Development has assigned ID 656912 (BIG-IP), ID 657597 (BIG-IQ), ID 657596 (Enterprise Manager), ID 507785 (ARX), and ID 659968 (F5 iWorkflow) to this vulnerability. Additionally, BIG-IP iHealth may list Heuristic H07082049 on the Diagnostics > Identified > Low page. 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 known |Versions known to| |Vulnerable | |Product |to be vulnerable|be not vulnerable|Severity |component or | | | | | |feature | +---------------+----------------+-----------------+----------+----------------+ | |13.0.0 | | | | |BIG-IP LTM |12.0.0 - 12.1.2 |13.1.0 |Low |NTP package | | |11.4.0 - 11.6.3 |12.1.3 | | | | |11.2.1 | | | | +---------------+----------------+-----------------+----------+----------------+ | |13.0.0 |13.1.0 | | | |BIG-IP AAM |12.0.0 - 12.1.2 |12.1.3 |Low |NTP package | | |11.4.0 - 11.6.3 | | | | +---------------+----------------+-----------------+----------+----------------+ | |13.0.0 |13.1.0 | | | |BIG-IP AFM |12.0.0 - 12.1.2 |12.1.3 |Low |NTP package | | |11.4.0 - 11.6.3 | | | | +---------------+----------------+-----------------+----------+----------------+ | |13.0.0 | | | | |BIG-IP |12.0.0 - 12.1.2 |13.1.0 |Low |NTP package | |Analytics |11.4.0 - 11.6.3 |12.1.3 | | | | |11.2.1 | | | | +---------------+----------------+-----------------+----------+----------------+ | |13.0.0 | | | | |BIG-IP APM |12.0.0 - 12.1.2 |13.1.0 |Low |NTP package | | |11.4.0 - 11.6.3 |12.1.3 | | | | |11.2.1 | | | | +---------------+----------------+-----------------+----------+----------------+ | |13.0.0 | | | | |BIG-IP ASM |12.0.0 - 12.1.2 |13.1.0 |Low |NTP package | | |11.4.0 - 11.6.3 |12.1.3 | | | | |11.2.1 | | | | +---------------+----------------+-----------------+----------+----------------+ |BIG-IP DNS |13.0.0 |13.1.0 |Low |NTP package | | |12.0.0 - 12.1.2 |12.1.3 | | | +---------------+----------------+-----------------+----------+----------------+ |BIG-IP Edge |11.2.1 |None |Low |NTP package | |Gateway | | | | | +---------------+----------------+-----------------+----------+----------------+ |BIG-IP GTM |11.4.0 - 11.6.3 |None |Low |NTP package | | |11.2.1 | | | | +---------------+----------------+-----------------+----------+----------------+ | |13.0.0 | | | | |BIG-IP Link |12.0.0 - 12.1.2 |13.1.0 |Low |NTP package | |Controller |11.4.0 - 11.6.3 |12.1.3 | | | | |11.2.1 | | | | +---------------+----------------+-----------------+----------+----------------+ | |13.0.0 |13.1.0 | | | |BIG-IP PEM |12.0.0 - 12.1.2 |12.1.3 |Low |NTP package | | |11.4.0 - 11.6.3 | | | | +---------------+----------------+-----------------+----------+----------------+ |BIG-IP PSM |11.4.0 - 11.4.1 |None |Low |NTP package | +---------------+----------------+-----------------+----------+----------------+ |BIG-IP |11.2.1 |None |Low |NTP package | |WebAccelerator | | | | | +---------------+----------------+-----------------+----------+----------------+ | |13.0.0 |13.1.0 | | | |BIG-IP WebSafe |12.0.0 - 12.1.2 |12.1.3 |Low |NTP package | | |11.6.0 - 11.6.3 | | | | +---------------+----------------+-----------------+----------+----------------+ |ARX |None |6.2.0 - 6.4.0 |Not |None | | | | |Vulnerable| | +---------------+----------------+-----------------+----------+----------------+ |Enterprise |3.1.1 |None |Low |NTP package | |Manager | | | | | +---------------+----------------+-----------------+----------+----------------+ |BIG-IQ Cloud |4.4.0 - 4.5.0 |None |Low |NTP package | +---------------+----------------+-----------------+----------+----------------+ |BIG-IQ Device |4.4.0 - 4.5.0 |None |Low |NTP package | +---------------+----------------+-----------------+----------+----------------+ |BIG-IQ Security|4.4.0 - 4.5.0 |None |Low |NTP package | +---------------+----------------+-----------------+----------+----------------+ |BIG-IQ ADC |4.5.0 |None |Low |NTP package | +---------------+----------------+-----------------+----------+----------------+ |BIG-IQ |5.0.0 - 5.4.0 | | | | |Centralized |4.6.0 |None |Low |NTP package | |Management | | | | | +---------------+----------------+-----------------+----------+----------------+ |BIG-IQ Cloud | | | | | |and |1.0.0 |None |Low |NTP package | |Orchestration | | | | | +---------------+----------------+-----------------+----------+----------------+ |F5 iWorkflow |2.0.0 - 2.3.0 |None |Low |NTP package | +---------------+----------------+-----------------+----------+----------------+ |LineRate |None |2.5.0 - 2.6.2 |Not |None | | | | |vulnerable| | +---------------+----------------+-----------------+----------+----------------+ |Traffix SDC |5.0.0 - 5.1.0 |None |Low |NTP package | | |4.0.0 - 4.4.0 | | | | +---------------+----------------+-----------------+----------+----------------+ 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 Versions known to be not vulnerable 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. To determine the necessary upgrade path for your BIG-IQ system, you should understand the BIG-IQ product offering name changes. For more information, refer to K21232150: Considerations for upgrading BIG-IQ or F5 iWorkflow systems . Mitigation Do not use the datum ref clock device and if the device is used, ensure that it is not being maliciously controlled by an untrusted source. Supplemental Information o K9970: Subscribing to email notifications regarding F5 products o K9957: Creating a custom RSS feed to view new and updated documents o K4602: Overview of the F5 security vulnerability response policy o K4918: Overview of the F5 critical issue hotfix policy o K167: Downloading software and firmware from F5 o K13123: Managing BIG-IP product hotfixes (11.x - 13.x) o K9502: BIG-IP hotfix and point release matrix o K15106: Managing BIG-IQ product hotfixes o K15113: BIG-IQ hotfix matrix - --- K02951273:NTP vulnerability CVE-2017-6463 Security Advisory Original Publication Date: 17 May, 2017 Latest Publication Date: 31 Mar, 2018 Security Advisory Description NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows remote authenticated users to cause a denial of service (daemon crash) via an invalid setting in a :config directive, related to the unpeer option. (CVE-2017-6463) Impact A remote, authenticated attacker may exploit this vulnerability by sending a crafted message to stop the ntpd process. Security Advisory Status F5 Product Development has assigned ID 656912 (BIG-IP), ID 657596 (Enterprise Manager), ID 657597 (BIG-IQ), ID 659968 (F5 iWorkflow), and CPF-23673, CPF-23674, and CPF-23675 (Traffix) to this vulnerability. Additionally, BIG-IP iHealth may list Heuristic H02951273 on the Diagnostics > Identified > Low page. 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 known |Versions known to| |Vulnerable | |Product |to be |be not vulnerable|Severity |component or | | |vulnerable | | |feature | +--------------+---------------+-----------------+-----------+---------------+ | |13.0.0 | | | | |BIG-IP LTM |12.0.0 - 12.1.2|13.0.1 - 13.1.0 |Low |ntpd | | |11.4.0 - 11.6.3|12.1.3 | | | | |11.2.1 | | | | +--------------+---------------+-----------------+-----------+---------------+ | |13.0.0 |13.0.1 - 13.1.0 | | | |BIG-IP AAM |12.0.0 - 12.1.2|12.1.3 |Low |ntpd | | |11.4.0 - 11.6.3| | | | +--------------+---------------+-----------------+-----------+---------------+ | |13.0.0 |13.0.1 - 13.1.0 | | | |BIG-IP AFM |12.0.0 - 12.1.2|12.1.3 |Low |ntpd | | |11.4.0 - 11.6.3| | | | +--------------+---------------+-----------------+-----------+---------------+ | |13.0.0 | | | | |BIG-IP |12.0.0 - 12.1.2|13.0.1 - 13.1.0 |Low |ntpd | |Analytics |11.4.0 - 11.6.3|12.1.3 | | | | |11.2.1 | | | | +--------------+---------------+-----------------+-----------+---------------+ | |13.0.0 | | | | |BIG-IP APM |12.0.0 - 12.1.2|13.0.1 - 13.1.0 |Low |ntpd | | |11.4.0 - 11.6.3|12.1.3 | | | | |11.2.1 | | | | +--------------+---------------+-----------------+-----------+---------------+ | |13.0.0 | | | | |BIG-IP ASM |12.0.0 - 12.1.2|13.0.1 - 13.1.0 |Low |ntpd | | |11.4.0 - 11.6.3|12.1.3 | | | | |11.2.1 | | | | +--------------+---------------+-----------------+-----------+---------------+ |BIG-IP DNS |13.0.0 |13.0.1 - 13.1.0 |Low |ntpd | | |12.0.0 - 12.1.2|12.1.3 | | | +--------------+---------------+-----------------+-----------+---------------+ |BIG-IP Edge |11.2.1 |None |Low |ntpd | |Gateway | | | | | +--------------+---------------+-----------------+-----------+---------------+ |BIG-IP GTM |11.4.0 - 11.6.3|None |Low |ntpd | | |11.2.1 | | | | +--------------+---------------+-----------------+-----------+---------------+ | |13.0.0 | | | | |BIG-IP Link |12.0.0 - 12.1.2|13.0.1 - 13.1.0 |Low |ntpd | |Controller |11.4.0 - 11.6.3|12.1.3 | | | | |11.2.1 | | | | +--------------+---------------+-----------------+-----------+---------------+ | |13.0.0 |13.0.1 - 13.1.0 | | | |BIG-IP PEM |12.0.0 - 12.1.2|12.1.3 |Low |ntpd | | |11.4.0 - 11.6.3| | | | +--------------+---------------+-----------------+-----------+---------------+ |BIG-IP PSM |11.4.0 - 11.4.1|None |Low |ntpd | +--------------+---------------+-----------------+-----------+---------------+ |BIG-IP |11.2.1 |None |Low |ntpd | |WebAccelerator| | | | | +--------------+---------------+-----------------+-----------+---------------+ | |13.0.0 |13.0.1 - 13.1.0 | | | |BIG-IP WebSafe|12.0.0 - 12.1.2|12.1.3 |Low |ntpd | | |11.6.0 - 11.6.3| | | | +--------------+---------------+-----------------+-----------+---------------+ | | | |Not | | |ARX |None |6.2.0 - 6.4.0 |vulnerable^|None | | | | |1 | | +--------------+---------------+-----------------+-----------+---------------+ |Enterprise |3.1.1 |None |Low |ntpd | |Manager | | | | | +--------------+---------------+-----------------+-----------+---------------+ |BIG-IQ Cloud |4.4.0 - 4.5.0 |None |Low |ntpd | +--------------+---------------+-----------------+-----------+---------------+ |BIG-IQ Device |4.4.0 - 4.5.0 |None |Low |ntpd | +--------------+---------------+-----------------+-----------+---------------+ |BIG-IQ |4.4.0 - 4.5.0 |None |Low |ntpd | |Security | | | | | +--------------+---------------+-----------------+-----------+---------------+ |BIG-IQ ADC |4.5.0 |None |Low |ntpd | +--------------+---------------+-----------------+-----------+---------------+ |BIG-IQ |5.0.0 - 5.4.0 | | | | |Centralized |4.6.0 |None |Low |ntpd | |Management | | | | | +--------------+---------------+-----------------+-----------+---------------+ |BIG-IQ Cloud | | | | | |and |1.0.0 |None |Low |ntpd | |Orchestration | | | | | +--------------+---------------+-----------------+-----------+---------------+ |F5 iWorkflow |2.0.0 - 2.3.0 |None |Low |ntpd | +--------------+---------------+-----------------+-----------+---------------+ |LineRate |None |2.5.0 - 2.6.2 |Not |None | | | | |vulnerable | | +--------------+---------------+-----------------+-----------+---------------+ |Traffix SDC |5.0.0 - 5.1.0 |None |Low |ntpd | | |4.0.0 - 4.4.0 | | | | +--------------+---------------+-----------------+-----------+---------------+ ^1 The specified products contain the affected code. However, F5 identifies the vulnerability status as Not vulnerable because the attacker cannot exploit the code in default, standard, or recommended configurations. 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 Versions known to be not vulnerable 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. To determine the necessary upgrade path for your BIG-IQ system, you should understand the BIG-IQ product offering name changes. For more information, refer to K21232150: Considerations for upgrading BIG-IQ or F5 iWorkflow systems. Mitigation None Supplemental Information o K9970: Subscribing to email notifications regarding F5 products o K9957: Creating a custom RSS feed to view new and updated documents o K4602: Overview of the F5 security vulnerability response policy o K4918: Overview of the F5 critical issue hotfix policy - --------------------------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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