CVE-2023-28330: Moodle: authenticated arbitrary file read through malformed backup file
First published: Fri Mar 17 2023(Updated: )
Insufficient sanitizing in backup resulted in an arbitrary file read risk. The capability to access this feature is only available to teachers, managers and admins by default.
Credit: patrick@puiterwijk.org patrick@puiterwijk.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Moodle Moodle | >3.9.0<3.9.20 | |
| Moodle Moodle | >3.11.0<3.11.13 | |
| Moodle Moodle | >4.0.0<4.0.7 | |
| Moodle Moodle | =3.9.0 | |
| Moodle Moodle | =3.11.0 | |
| Moodle Moodle | =4.0.0 | |
| Moodle Moodle | =4.1.0 | |
| Moodle Moodle | =4.1.1 | |
| redhat/moodle | <4.1.2 | 4.1.2 |
| redhat/moodle | <4.0.7 | 4.0.7 |
| redhat/moodle | <3.11.13 | 3.11.13 |
| redhat/moodle | <3.9.20 | 3.9.20 |
| composer/moodle/moodle | <3.9.20 | 3.9.20 |
| composer/moodle/moodle | >=3.11.0<3.11.13 | 3.11.13 |
| composer/moodle/moodle | >=4.0.0<4.0.7 | 4.0.7 |
| composer/moodle/moodle | >=4.1.0<4.1.2 | 4.1.2 |
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Reference Links
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3QZN34VSF4HTCW3C3ZP2OZYSLYUKADPF/
- https://moodle.org/mod/forum/discuss.php?d=445062
- https://bugzilla.redhat.com/show_bug.cgi?id=2179412
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QZN34VSF4HTCW3C3ZP2OZYSLYUKADPF/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2180077
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2180078
- https://nvd.nist.gov/vuln/detail/CVE-2023-28330
- https://github.com/moodle/moodle/commit/493205b6b280633bcbc49d2eaf4f61a52252c26c
- https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77204
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QZN34VSF4HTCW3C3ZP2OZYSLYUKADPF
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3QZN34VSF4HTCW3C3ZP2OZYSLYUKADPF
- https://github.com/advisories/GHSA-56r9-72vx-q989 (Advisory)
Frequently Asked Questions
What is CVE-2023-28330?
CVE-2023-28330 is a vulnerability in Moodle, which allows teachers, managers, and admins to read arbitrary files through a backup feature.
Who is affected by CVE-2023-28330?
Moodle versions 3.9.0 to 3.9.20, 3.11.0 to 3.11.13, 4.0.0 to 4.0.7, 4.1.0, and 4.1.1 are affected by CVE-2023-28330.
What is the severity of CVE-2023-28330?
CVE-2023-28330 has a severity score of 6.5, which is considered a medium severity vulnerability.
How can I fix CVE-2023-28330?
To fix CVE-2023-28330, users should update their Moodle installation to a version that is not affected by the vulnerability.
Where can I find more information about CVE-2023-28330?
More information about CVE-2023-28330 can be found in the references provided: [Reference 1](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3QZN34VSF4HTCW3C3ZP2OZYSLYUKADPF/) and [Reference 2](https://moodle.org/mod/forum/discuss.php?d=445062).
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