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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0982.2 Confluence Security Advisory - 2019-03-20 16 April 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Confluence Server Confluence Data Center Publisher: Atlassian Operating System: UNIX variants (UNIX, Linux, OSX) Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-3396 CVE-2019-3395 Original Bulletin: https://confluence.atlassian.com/display/DOC/Confluence+Security+Advisory+-+2019-03-20 Revision History: April 16 2019: ALERT due to exploit code for CVE-2019-3396 available where members could be adversely affected from RCE. March 26 2019: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- This email refers to the advisory found at https://confluence.atlassian.com/display/DOC/Confluence+Security+Advisory+-+2019-03-20 CVE ID: * CVE-2019-3395. * CVE-2019-3396. Product: Confluence Server and Confluence Data Center. Affected Confluence Server and Confluence Data Center product versions: 6.6.0 <= version < 6.6.12 6.12.0 <= version < 6.12.3 6.13.0 <= version < 6.13.3 6.14.0 <= version < 6.14.2 Fixed Confluence Server and Confluence Data Center product versions: * for 6.6.x, Confluence Server and Data Center 6.6.12 have been released with a fix for these issues. * for 6.12.x, Confluence Server and Data Center 6.12.3 have been released with a fix for these issues. * for 6.13.x, Confluence Server and Data Center 6.13.3 have been released with a fix for these issues. * for 6.14.x, Confluence Server and Data Center 6.14.2 have been released with a fix for these issues. Summary: This advisory discloses critical severity security vulnerabilities. Versions of Confluence Server and Data Center before 6.6.12 (the fixed version for 6.6.x), from version 6.7.0 before 6.12.3 (the fixed version for 6.12.x), from version 6.13.0 before 6.13.3 (the fixed version for 6.13.x) and from version 6.14.0 before 6.14.2 (the fixed version for 6.14.x) are affected by these vulnerabilities. Customers who have upgraded Confluence to version 6.6.12 or 6.12.3 or 6.13.3 or 6.14.2 are not affected. Customers who have downloaded and installed Confluence >= 6.6.0 but less than 6.6.12 (the fixed version for 6.6.x) or who have downloaded and installed Confluence >= 6.12.0 but less than 6.12.3 (the fixed version for 6.12.x) or who have downloaded and installed Confluence >= 6.13.0 but less than 6.13.3 (the fixed version for 6.13.x) or who have downloaded and installed Confluence >= 6.14.0 but less than 6.14.2 (the fixed version for 6.14.x) please upgrade your Confluence installations immediately to fix these vulnerabilities. WebDAV vulnerability (CVE-2019-3395) 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: A remote attacker is able to exploit a Server-Side Request Forgery (SSRF) vulnerability via the WebDAV plugin to send arbitrary HTTP and WebDAV requests from a Confluence Server or Data Center instance. Versions of Confluence before version 6.6.7 (the fixed version for 6.6.x), from version 6.7.0 before 6.7.3 (the fixed version for 6.7.x), from version 6.8.0 before 6.8.5 (the fixed version for 6.8.x) and from version 6.9.0 before 6.9.3 (the fixed version for 6.9.x) are affected by this vulnerability. This issue can be tracked at: https://jira.atlassian.com/browse/CONFSERVER-57971 . Remote code execution via Widget Connector macro (CVE-2019-3396) 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 Confluence via Widget Connector. An attacker is able to exploit this issue to achieve path traversal and remote code execution on systems that run a vulnerable version of Confluence. Versions of Confluence before version 6.6.12 (the fixed version for 6.6.x), from version 6.7.0 before 6.12.3 (the fixed version for 6.12.x), from version 6.13.0 before 6.13.3 (the fixed version for 6.13.x) and from version 6.14.0 before 6.14.2 (the fixed version for 6.14.x) are affected by this vulnerability. This issue can be tracked at: https://jira.atlassian.com/browse/CONFSERVER-57974 . Fix: To address these issues, we have released the following versions of Confluence Server and Data Center containing a fix: * version 6.6.12 * version 6.12.3 * version 6.13.3 * version 6.14.2 Remediation: Upgrade Confluence Server and Data Center to version 6.14.2 or higher. The vulnerabilities and fix versions are described above. If affected, you should upgrade to the latest version immediately. If you are running Confluence Server and or Data Center 6.6.x and cannot upgrade to 6.14.2, upgrade to version 6.6.12. If you are running Confluence Server and or Data Center 6.12.x and cannot upgrade to 6.14.2, to version 6.12.3. If you are running Confluence Server and or Data Center 6.13.x and cannot upgrade to 6.14.2, upgrade to version 6.13.3. For a full description of the latest version of Confluence Server and Data Center, see the release notes found at https://confluence.atlassian.com/display/DOC/Confluence+Release+Notes. You can download the latest version of Confluence Server and Confluence Data Center from the download centre found at https://www.atlassian.com/software/confluence/download. Support: If you have questions or concerns regarding this advisory, please raise a support request at https://support.atlassian.com/. - --------------------------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. 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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 iQIVAwUBXLUYHmaOgq3Tt24GAQj4JBAAxJPHTwSk0I/MqKU45Z+CmPGQGNjBaFaB bWpoKYdqv9QPRNKIdIhTfNm/PbsVqajzAtoO8Lj1aeLoGtgGFvgCywF64F43xavd Tu8o6vzQPsNKsUqWaKhGKqLLUVcyGn8u9a9zg74GzsazETnl+LCH95ox8Ylx9GAp OfH12ETiUp4x0bWeysLiK0Z10xWiLRdB409f4KFM3hLrN1Us3N93LrK7n7uXOEzG 2B58GV0M/ySFbgXy9S3yZIL271GJYfecGRfvYVb+xOeuFh6o8QlGSg28OBCpg/Lg uAssCUtMVl7C0a0b2liqEPygd/w1IMuCRNcT/Oeprl4L6XfYlQaCJyxcijwcr2Oi TdE9m7OiAFBfGCj2NVUF9y5BL0HKSjszWQNGWTk/PbY3ztoXZW/8Y4xBZnqSzN3J TOBRmANJsi1YkEDodzaWJoIauOjmwNalibRfJfoM+oWJS8HclWOIty52TvitnJTV baNauPZAO3qh4euJH1HD1KYem80RYr9Xgn6yapn+BtHTLgpYGF9j23kjdURdgb3u Qt8u8YrFCsyfdA6EsQRIkfhA+9MveO7FgZ5NGY6xDrcdg2rrnD3f3gc9gDNCN9Ce uRscvtjpuBJIbXJtc7LpVlSmKRqoU4wcuW1lmTJXQPoFI5pp47Klr8W2JCOtzGf5 uKo5aZVifK4= =gOeU -----END PGP SIGNATURE-----