CVE-2020-25699
First published: Fri Nov 06 2020(Updated: )
In moodle, insufficient capability checks could lead to users with the ability to course restore adding additional capabilities to roles within that course. Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5, 3.7 to 3.7.8, 3.5 to 3.5.14 and earlier unsupported versions. This is fixed in moodle 3.9.3, 3.8.6, 3.7.9, 3.5.15, and 3.10.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/moodle/moodle | >=3.5<3.5.15 | 3.5.15 |
| composer/moodle/moodle | >=3.7.0<3.7.9 | 3.7.9 |
| composer/moodle/moodle | >=3.8.0<3.8.6 | 3.8.6 |
| composer/moodle/moodle | >=3.9.0<3.9.3 | 3.9.3 |
| redhat/moodle | <3.9.3 | 3.9.3 |
| redhat/moodle | <3.8.6 | 3.8.6 |
| redhat/moodle | <3.7.9 | 3.7.9 |
| redhat/moodle | <3.5.15 | 3.5.15 |
| redhat/moodle | <3.10 | 3.10 |
| Moodle | >=3.5.0<=3.5.14 | |
| Moodle | >=3.7.0<=3.7.8 | |
| Moodle | >=3.8.0<=3.8.5 | |
| Moodle | >=3.9.0<=3.9.2 | |
| Fedora | =32 | |
| Fedora | =33 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2020-25699
- https://github.com/moodle/moodle/commit/b8e1eec4c77c858de87fedf4e405e929539ea0c5
- https://bugzilla.redhat.com/show_bug.cgi?id=1895425
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4NNFCHPPHRJNJROIX6SYMHOC6HMKP3GU/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B55KXBVAT45MDASJ3EK6VIGQOYGJ4NH6/
- https://moodle.org/mod/forum/discuss.php?d=413936
- https://github.com/advisories/GHSA-h77r-rp97-7rv4 (Advisory)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B55KXBVAT45MDASJ3EK6VIGQOYGJ4NH6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4NNFCHPPHRJNJROIX6SYMHOC6HMKP3GU/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1899536
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1899537
Frequently Asked Questions
What is the severity of CVE-2020-25699?
CVE-2020-25699 is considered a high severity vulnerability due to the potential for unauthorized changes to user roles in Moodle courses.
What versions of Moodle are affected by CVE-2020-25699?
CVE-2020-25699 affects Moodle versions 3.5 to 3.5.14, 3.7 to 3.7.8, 3.8 to 3.8.5, and 3.9 to 3.9.2.
How do I fix CVE-2020-25699?
The CVE-2020-25699 vulnerability can be fixed by upgrading Moodle to version 3.9.3, 3.8.6, 3.7.9, or 3.5.15.
What type of vulnerability is CVE-2020-25699?
CVE-2020-25699 is a privilege escalation vulnerability resulting from insufficient capability checks.
Can users without the right permissions exploit CVE-2020-25699?
Yes, users with the ability to restore courses could potentially exploit CVE-2020-25699 to gain unauthorized capabilities in that course.
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