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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.1156 K95432245:PHP vulnerability CVE-2016-5768 16 April 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: F5 BIG-IP Products Publisher: F5 Networks Operating System: Network Appliance Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2016-5768 Reference: ESB-2017.0119 ESB-2016.2728 ESB-2016.2213 ESB-2016.2007 Original Bulletin: https://support.f5.com/csp/article/K95432245 - --------------------------BEGIN INCLUDED TEXT-------------------- K95432245:PHP vulnerability CVE-2016-5768 Security Advisory Original Publication Date: 14 Oct, 2016 Latest Publication Date: 14 Apr, 2018 Security Advisory Description Double free vulnerability in the _php_mb_regex_ereg_replace_exec function in php_mbregex.c in the mbstring extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) by leveraging a callback exception. (CVE-2016-5768) Impact While the vulnerable code exists, F5 products are not vulnerable in the default, standard, or recommended configurations. Security Advisory Status F5 Product Development has assigned ID 601268 (BIG-IP) and ID 608721 (BIG-IQ and F5 iWorkflow) to this vulnerability. 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 | +---------------+---------------+-----------------+----------+---------------+ | |12.0.0 - 12.1.2|13.0.0 | | | |BIG-IP LTM |11.4.0 - 11.6.1|12.1.2 HF1 |Low |PHP | | |11.2.1 |11.6.2 | | | | |10.2.1 - 10.2.4|11.5.6 | | | +---------------+---------------+-----------------+----------+---------------+ | |12.0.0 - 12.1.2|13.0.0 | | | |BIG-IP AAM |11.4.0 - 11.6.1|12.1.2 HF1 |Low |PHP | | | |11.6.2 | | | | | |11.5.6 | | | +---------------+---------------+-----------------+----------+---------------+ | | |13.0.0 | | | |BIG-IP AFM |12.0.0 - 12.1.2|12.1.2 HF1 |Low |PHP | | |11.4.0 - 11.6.1|11.6.2 | | | | | |11.5.6 | | | +---------------+---------------+-----------------+----------+---------------+ | |12.0.0 - 12.1.2|13.0.0 | | | |BIG-IP |11.4.0 - 11.6.1|12.1.2 HF1 |Low |PHP | |Analytics |11.2.1 |11.6.2 | | | | | |11.5.6 | | | +---------------+---------------+-----------------+----------+---------------+ | |12.0.0 - 12.1.2|13.0.0 | | | |BIG-IP APM |11.4.0 - 11.6.1|12.1.2 HF1 |Low |PHP | | |11.2.1 |11.6.2 | | | | |10.2.1 - 10.2.4|11.5.6 | | | +---------------+---------------+-----------------+----------+---------------+ | |12.0.0 - 12.1.2|13.0.0 | | | |BIG-IP ASM |11.4.0 - 11.6.1|12.1.2 HF1 |Low |PHP | | |11.2.1 |11.6.2 | | | | |10.2.1 - 10.2.4|11.5.6 | | | +---------------+---------------+-----------------+----------+---------------+ |BIG-IP DNS |12.0.0 - 12.1.2|13.0.0 |Low |PHP | | | |12.1.2 HF1 | | | +---------------+---------------+-----------------+----------+---------------+ |BIG-IP Edge |11.2.1 |None |Low |PHP | |Gateway |10.2.1 - 10.2.4| | | | +---------------+---------------+-----------------+----------+---------------+ | |11.4.0 - 11.6.1|11.6.2 | | | |BIG-IP GTM |11.2.1 |11.5.6 |Low |PHP | | |10.2.1 - 10.2.4| | | | +---------------+---------------+-----------------+----------+---------------+ | |12.0.0 - 12.1.2|13.0.0 | | | |BIG-IP Link |11.4.0 - 11.6.1|12.1.2 HF1 |Low |PHP | |Controller |11.2.1 |11.6.2 | | | | |10.2.1 - 10.2.4|11.5.6 | | | +---------------+---------------+-----------------+----------+---------------+ | | |13.0.0 | | | |BIG-IP PEM |12.0.0 - 12.1.2|12.1.2 HF1 |Low |PHP | | |11.4.0 - 11.6.1|11.6.2 | | | | | |11.5.6 | | | +---------------+---------------+-----------------+----------+---------------+ |BIG-IP PSM |11.4.0 - 11.4.1|None |Low |PHP | | |10.2.1 - 10.2.4| | | | +---------------+---------------+-----------------+----------+---------------+ |BIG-IP |11.2.1 |None |Low |PHP | |WebAccelerator |10.2.1 - 10.2.4| | | | +---------------+---------------+-----------------+----------+---------------+ |BIG-IP WOM |11.2.1 |None |Low |PHP | | |10.2.1 - 10.2.4| | | | +---------------+---------------+-----------------+----------+---------------+ | |12.0.0 - 12.1.2|13.0.0 | | | |BIG-IP WebSafe |11.6.0 - 11.6.1|12.1.2 HF1 |Low |PHP | | | |11.6.2 | | | +---------------+---------------+-----------------+----------+---------------+ |ARX |None |6.2.0 - 6.4.0 |Not |None | | | | |vulnerable| | +---------------+---------------+-----------------+----------+---------------+ |Enterprise |None |3.1.1 |Not |None | |Manager | | |vulnerable| | +---------------+---------------+-----------------+----------+---------------+ |FirePass |None |7.0.0 |Not |None | | | | |vulnerable| | +---------------+---------------+-----------------+----------+---------------+ |BIG-IQ Cloud |4.0.0 - 4.5.0 |None |Low |PHP | +---------------+---------------+-----------------+----------+---------------+ |BIG-IQ Device |4.2.0 - 4.5.0 |None |Low |PHP | +---------------+---------------+-----------------+----------+---------------+ |BIG-IQ Security|4.0.0 - 4.5.0 |None |Low |PHP | +---------------+---------------+-----------------+----------+---------------+ |BIG-IQ ADC |4.5.0 |None |Low |PHP | +---------------+---------------+-----------------+----------+---------------+ |BIG-IQ |5.0.0 - 5.1.0 | | | | |Centralized |4.6.0 |None |Low |PHP | |Management | | | | | +---------------+---------------+-----------------+----------+---------------+ |BIG-IQ Cloud | | | | | |and |1.0.0 |None |Low |PHP | |Orchestration | | | | | +---------------+---------------+-----------------+----------+---------------+ |F5 iWorkflow |None |2.0.0 |Not |None | | | | |vulnerable| | +---------------+---------------+-----------------+----------+---------------+ |LineRate |None |2.5.0 - 2.6.1 |Not |None | | | | |vulnerable| | +---------------+---------------+-----------------+----------+---------------+ |Traffix SDC |None |5.0.0 |Not |None | | | |4.0.0 - 4.4.0 |vulnerable| | +---------------+---------------+-----------------+----------+---------------+ 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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