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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.2569 Joomla! Security News 30 August 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Joomla! Publisher: Joomla! Operating System: UNIX variants (UNIX, Linux, OSX) Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Cross-site Scripting -- Remote with User Interaction Unauthorised Access -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-15882 CVE-2018-15881 CVE-2018-15880 Original Bulletin: https://developer.joomla.org/security-centre/743-20180801-core-hardening-the-inputfilter-for-phar-stubs.html https://developer.joomla.org/security-centre/744-20180802-core-stored-xss-vulnerability-in-the-frontend-profile.html https://developer.joomla.org/security-centre/745-20180803-core-acl-violation-in-custom-fields.html Comment: This bulletin contains three (3) Joomla! security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- [20180801] - Core - Hardening the InputFilter for PHAR stubs o Project: Joomla! o SubProject: CMS o Impact: High o Severity: Low o Versions: 1.5.0 through 3.8.11 o Exploit type: Malicious file upload o Reported Date: 2018-August-23 o Fixed Date: 2018-August-28 o CVE Number: CVE-2018-15882 Description Inadequate checks in the InputFilter class could allow specifically prepared PHAR files to pass the upload filter. Affected Installs Joomla! CMS versions 1.5.0 through 3.8.11 Solution Upgrade to version 3.8.12 Contact The JSST at the Joomla! Security Centre. Reported By: Davide Tampellini - ------------------------------------------------------------------------------- [20180802] - Core - Stored XSS vulnerability in the frontend profile o Project: Joomla! o SubProject: CMS o Impact: Low o Severity: Low o Versions: 1.5.0 through 3.8.11 o Exploit type: XSS o Reported Date: 2018-July-10 o Fixed Date: 2018-August-28 o CVE Number: CVE-2018-15880 Description Inadequate output filtering on the user profile page could lead to a stored XSS attack. Affected Installs Joomla! CMS versions 1.5.0 through 3.8.11 Solution Upgrade to version 3.8.12 Contact The JSST at the Joomla! Security Centre. Reported By: Roland Dalmulder, Perfect Web Team - ------------------------------------------------------------------------------- [20180803] - Core - ACL Violation in custom fields o Project: Joomla! o SubProject: CMS o Impact: Low o Severity: Low o Versions: 3.7.0 through 3.8.11 o Exploit type: ACL Violation o Reported Date: 2018-July-10 o Fixed Date: 2018-August-28 o CVE Number: CVE-2018-15881 Description Inadequate checks regarding disabled fields can lead to an ACL violation. Affected Installs Joomla! CMS versions 3.7.0 through 3.8.11 Solution Upgrade to version 3.8.12 Contact The JSST at the Joomla! Security Centre. Reported By: Elisa Foltyn, COOLCAT CREATIONS - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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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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