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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.1847 Moodle Security Advisory 23 May 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Moodle Publisher: Moodle Operating System: UNIX variants (UNIX, Linux, OSX) Windows Impact/Access: Access Confidential Data -- Existing Account Reduced Security -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-10134 CVE-2019-10133 CVE-2019-10132 Original Bulletin: https://moodle.org/mod/forum/discuss.php?d=386521&parent=1557995 https://moodle.org/mod/forum/discuss.php?d=386523&parent=1557997 https://moodle.org/mod/forum/discuss.php?d=386524&parent=1557998 Comment: This bulletin contains three (3) Moodle security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- MSA-19-0010: All messaging conversations could be viewed A web service fetching messages was not restricted to the current user's conversations. Severity/Risk: Serious Versions affected: 3.6 to 3.6.3 Versions fixed: 3.7, 3.6.4 Reported by: Mazen Gamal Workaround: Disable the messaging system until the fix is applied. CVE identifier: CVE-2019-10132 Changes (master): http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-65365 Tracker issue: MDL-65365 All messaging conversations could be viewed - --------------------------------------------------------------------------------- MSA-19-0011: Open redirect in upload cohorts page The form to upload cohorts contained a redirect field, which was not restricted to internal URLs. Severity/Risk: Minor Versions affected: 3.6 to 3.6.3, 3.5 to 3.5.5, 3.4 to 3.4.8, 3.1 to 3.1.17 and earlier unsupported versions Versions fixed: 3.7, 3.6.4, 3.5.6, 3.4.9 and 3.1.18 Reported by: Lindon Wass CVE identifier: CVE-2019-10133 Changes (master): http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-64708 Tracker issue: MDL-64708 Open redirect in upload cohorts page - --------------------------------------------------------------------------------- MSA-19-0012: Private files uploaded via incoming mail processing could bypass quota restrictions The size of users' private file uploads via email were not correctly checked, so their quota allowance could be exceeded. Severity/Risk: Minor Versions affected: 3.6 to 3.6.3, 3.5 to 3.5.5, 3.4 to 3.4.8, 3.1 to 3.1.17 and earlier unsupported versions Versions fixed: 3.7, 3.6.4, 3.5.6, 3.4.9 and 3.1.18 Reported by: Guillermo Leon Alvarez Salamanca Workaround: Disable the "Email to Private files" message handler until the fix is applied. This is disabled by default in Moodle. CVE identifier: CVE-2019-10134 Changes (master): http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-61738 Tracker issue: MDL-61738 Private files uploaded via incoming mail processing could bypass quota restrictions - --------------------------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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