GoogleOSV:GHSA-CW72-69WQ-F9F2Moodle External function mod_assign_save_submission does not check due dates
The save_submission function in mod/assign/externallib.php in Moodle through 2.6.11, 2.7.x before 2.7.13, 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 allows remote authenticated users to bypass intended due-date restrictions by leveraging the student role for a web-service request.
References
git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-52901
www.openwall.com/lists/oss-security/2016/03/21/1
github.com/moodle/moodle
github.com/moodle/moodle/commit/0766509ab02353008af62f953f7ebc0f6210411a
github.com/moodle/moodle/commit/3c069c16db62d0e0a64137578e92c22d604dd261
github.com/moodle/moodle/commit/711f9468d4e2792afe0f2025ac98c52ee3e4ee71
github.com/moodle/moodle/commit/dc8421575f35585a7a4fc1c9710dafd1d0483d4e
github.com/moodle/moodle/commit/ea8987644fdbbee291337263598b0c3c7bf27c36
moodle.org/mod/forum/discuss.php?d=330182
nvd.nist.gov/vuln/detail/CVE-2016-2159
web.archive.org/web/20160424224349/www.securitytracker.com/id/1035333
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