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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.3582 Jira Server - Template injection in Jira Importers Plugin 23 September 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Jira Server Jira Data Center Publisher: Atlassian Operating System: Windows Linux variants Mac OS Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-15001 Original Bulletin: https://confluence.atlassian.com/jira/jira-security-advisory-2019-09-18-976766250.html - --------------------------BEGIN INCLUDED TEXT-------------------- Jira Server - Template injection in Jira Importers Plugin - CVE-2019-15001 Advisory Release Date: 18 Sep 2019 10:00 AM PDT (Pacific Time, -7 hours) Jira Server & Jira Data Center Note: This includes Jira Software, Jira Core, and Jira Service Desk. Product Jira Cloud customers are not affected. Versions listed are for Jira Core and Jira Software. Check the compatibility matrix to find the equivalent version for your Jira Service Desk version. Affected Jira Server + 7.1.0, 7.1.1, 7.1.2, 7.1.3, 7.1.4, 7.1.5, 7.1.6, & Jira Data Center 7.1.7, 7.1.8, 7.1.9, 7.1.10 Versions + 7.2.0, 7.2.1, 7.2.2, 7.2.3, 7.2.4, 7.2.5, 7.2.6, 7.2.7, 7.2.8, 7.2.9, 7.2.10, 7.2.11, 7.2.12, 7.2.13, 7.2.14, 7.2.15 + 7.3.0, 7.3.1, 7.3.2, 7.3.3, 7.3.4, 7.3.5, 7.3.6, 7.3.7, 7.3.8, 7.3.9 + 7.4.0, 7.4.1, 7.4.2, 7.4.3, 7.4.4, 7.4.5, 7.4.6 + 7.5.0, 7.5.1, 7.5.2, 7.5.3, 7.5.4 + 7.6.0, 7.6.1, 7.6.2, 7.6.3, 7.6.4, 7.6.5, 7.6.6, 7.6.7, 7.6.8, 7.6.9, 7.6.10, 7.6.11, 7.6.12, 7.6.13, 7.6.14, 7.6.15 + 7.7.0, 7.7.1, 7.7.2, 7.7.3, 7.7.4 + 7.8.0, 7.8.1, 7.8.2, 7.8.3, 7.8.4 + 7.9.0, 7.9.1, 7.9.2 + 7.10.0, 7.10.1, 7.10.2 + 7.11.0, 7.11.1, 7.11.2 + 7.12.0, 7.12.1, 7.12.2, 7.12.3 + 7.13.0, 7.13.1, 7.13.2, 7.13.3, 7.13.4, 7.13.5, 7.13.6, 7.13.7 + 8.0.0, 8.0.1, 8.0.2, 8.0.3 + 8.1.0, 8.1.1, 8.1.2 + 8.2.0, 8.2.1, 8.2.2, 8.2.3, 8.2.4 + 8.3.0, 8.3.1, 8.3.2, 8.3.3 + 8.4.0 * 7.6.16 Fixed Jira Server & * 7.13.8 Jira Data Center * 8.1.3 Versions * 8.2.5 * 8.3.4 * 8.4.1 CVE ID(s) CVE-2019-15001 Summary of Vulnerability This advisory discloses a critical severity security vulnerability which was introduced in version 7.0.10 of Jira Server & Jira Data Center. Versions of Jira Server & Jira Data Center affected by this vulnerability: * from 7.0.10 before 7.6.16 (fixed in 7.6.16) * from 7.7.0 before 7.13.8 (fixed in 7.13.8) * from 8.0.0 before 8.1.3 (fixed in 8.1.3) * from 8.2.0 before 8.2.5 (fixed in 8.2.5) * from 8.3.0 before 8.3.4 (fixed in 8.3.4) * from 8.4.0 before 8.4.1 (fixed in 8.4.1) Atlassian Cloud instances have already been upgraded to a version of Jira which does not have the issue described on this page. Customers who have upgraded Jira Server & Jira Data Center to version 7.13.8, 8.1.3, 8.2.5, 8.3.4, 8.4.1 or higher are not affected. Customers who are on any of the affected versions listed above, upgrade your Jira Server & Jira Data Center installations immediately to fix this vulnerability. Template injection in Jira Importers Plugin Severity Atlassian rates the severity level of this vulnerability as critical, according to the scale published in our Atlassian severity levels. The scale allows us to rank the severity as critical, high, moderate or low. This is our assessment and you should evaluate its applicability to your own IT environment. Description There was a server-side template injection vulnerability in Jira Server and Data Center, in the Jira Importers Plugin (JIM). An attacker with "JIRA Administrators" access can exploit this issue. Successful exploitation of this issue allows an attacker to remotely execute code on systems that run a vulnerable version of Jira Server or Data Center. Versions of Jira Server & Jira Data Center starting with 7.0.10 before 7.6.16, from 7.7.0 before 7.13.8 (the fixed version for 7.13.x), from 8.1.0 before 8.1.3 (the fixed version for 8.1.x), from 8.2.0 before 8.2.5 (the fixed version for 8.2.x), and from 8.3.0 before 8.3.4 (the fixed version for 8.3.x) , and from 8.4.0 before 8.4.1 (the fixed version for 8.4.x) are affected by this vulnerability. Acknowledgements We would like to acknowledge Daniil Dmitriev for finding this vulnerability. Fix We have released the following versions of Jira Server & Jira Data Center to address this issue: 1. 8.4.1 which is available for download from https://www.atlassian.com/ software/jira/core/download 2. 8.3.4 which is available for download from https://www.atlassian.com/ software/jira/core/update 3. 8.2.5 which is available for download from https://www.atlassian.com/ software/jira/core/update 4. 8.1.3 which is available for download from https://www.atlassian.com/ software/jira/core/update 5. 7.13.8 which is available for download from https://www.atlassian.com/ software/jira/core/update 6. 7.6.16 which is available for download from https://www.atlassian.com/ software/jira/core/update We have released the following versions of Jira Software Server to address this issue: 1. 8.4.1 which is available for download from https://www.atlassian.com/ software/jira/download 2. 8.3.4 which is available for download from https://www.atlassian.com/ software/jira/update 3. 8.2.5 which is available for download from https://www.atlassian.com/ software/jira/update 4. 8.1.3 which is available for download from https://www.atlassian.com/ software/jira/update 5. 7.13.8 which is available for download from https://www.atlassian.com/ software/jira/update 6. 7.6.16 which is available for download from https://www.atlassian.com/ software/jira/update What You Need to Do Mitigation If you are unable to upgrade Jira immediately or are in the process of migrating to Jira Cloud, then as a temporary workaround, you can block PUT request to the following endpoint: * /rest/jira-importers-plugin/1.0/demo/create Please see the following KB article with examples on how to perform this, selecting one of the workarounds. After upgrading JIRA to a fixed version, you can unblock the endpoint. Do not disable the Jira Importers Plugin. Upgrading Jira Atlassian recommends that you upgrade to the latest version. For a full description of the latest version of Jira Server & Jira Data Center, see the release notes. You can download the latest version of Jira Server & Jira Data Center from the download center. Upgrade Jira Server & Jira Data Center to version of 8.4.1 or higher. If you can't upgrade to the latest version (8.4.1): (1) If you have a current feature version (a feature version released on 10 December 2018 or later), upgrade to the next bugfix version of your current feature version. If you have feature version? ?then upgrade to this bugfix version: 8.0.x 8.1.3 8.1.x 8.1.3 8.2.x 8.2.5 8.3.x 8.3.4 8.4.x 8.4.1 (2) If you have a current Enterprise release version (an Enterprise release version released on 10th July 2017 or later), upgrade to the latest Enterprise release version (7.13.8). If you have Enterprise release version: then upgrade to this version: 7.6.x 7.6.16, 7.13.8 (recommended) 7.13.x 7.13.8 (3) If you have an older version (a feature version released before 10 December 2018, or an Enterprise release version released before 10th July 2017), either upgrade to the latest version, or to the latest Enterprise release version (7.13.8). If you have an older version: then upgrade to any of these versions: 7.0.x 7.1.x 7.2.x Current versions 7.3.x 8.1.3 7.4.x 8.2.5 7.5.x 8.3.4 7.7.x 8.4.1 7.8.x Enterprise releases 7.9.x 7.6.16 7.10.x 7.13.8 7.11.x 7.12.x Last modified on Sep 18, 2019 - --------------------------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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