CVE-2023-5539: Moodle: authenticated remote code execution risk in lesson
First published: Wed Oct 11 2023(Updated: )
A remote code execution risk was identified in the Lesson activity. By default this was only available to teachers and managers.
Credit: patrick@puiterwijk.org patrick@puiterwijk.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/moodle/moodle | <4.3.0-rc2 | 4.3.0-rc2 |
| Moodle Moodle | <3.9.24 | |
| Moodle Moodle | >=3.11.0<3.11.17 | |
| Moodle Moodle | >=4.0.0<4.0.11 | |
| Moodle Moodle | >=4.1.0<4.1.6 | |
| Moodle Moodle | >=4.2.0<4.2.3 | |
| Fedoraproject Extra Packages For Enterprise Linux | =7.0 | |
| Fedoraproject Fedora | =38 | |
| redhat/moodle | <4.2.3 | 4.2.3 |
| redhat/moodle | <4.1.6 | 4.1.6 |
| redhat/moodle | <4.0.11 | 4.0.11 |
| redhat/moodle | <3.11.17 | 3.11.17 |
| redhat/moodle | <3.9.24 | 3.9.24 |
| <3.9.24 | ||
| >=3.11.0<3.11.17 | ||
| >=4.0.0<4.0.11 | ||
| >=4.1.0<4.1.6 | ||
| >=4.2.0<4.2.3 | ||
| =7.0 | ||
| =38 |
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Reference Links
- https://moodle.org/mod/forum/discuss.php?d=451580
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2244897
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2244896
- https://bugzilla.redhat.com/show_bug.cgi?id=2243352
- https://nvd.nist.gov/vuln/detail/CVE-2023-5539
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-79408
- https://github.com/moodle/moodle/commit/ba974a4add981743b5a37c5bcc4714c62f6052ce
- https://github.com/advisories/GHSA-3xxm-3g3c-w579 (Advisory)
Frequently Asked Questions
What is CVE-2023-5539?
CVE-2023-5539 is a vulnerability that allows authenticated remote code execution in the Lesson activity in Moodle.
What is the severity of CVE-2023-5539?
CVE-2023-5539 has a severity rating of 8.8 (high).
Which versions of Moodle are affected by CVE-2023-5539?
Moodle versions up to and including 4.2.3 are affected by CVE-2023-5539.
How can I fix CVE-2023-5539?
To fix CVE-2023-5539, you should update Moodle to version 4.2.3 or apply the relevant security patch.
Where can I find more information about CVE-2023-5539?
You can find more information about CVE-2023-5539 in the references provided: [http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-79408](http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-79408), [https://bugzilla.redhat.com/show_bug.cgi?id=2243352](https://bugzilla.redhat.com/show_bug.cgi?id=2243352), [https://moodle.org/mod/forum/discuss.php?d=451580](https://moodle.org/mod/forum/discuss.php?d=451580).
- collector/github-advisory-latest
- alias/GHSA-3xxm-3g3c-w579
- alias/CVE-2023-5539
- collector/github-advisory
- collector/nvd-cve
- agent/author
- agent/type
- agent/first-publish-date
- agent/softwarecombine
- agent/weakness
- agent/severity
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- collector/redhat-bugzilla
- source/Red Hat
- agent/software-canonical-lookup
- agent/tags
- collector/mitre-cve
- source/MITRE
- collector/nvd-api
- source/NVD
- agent/last-modified-date
- agent/event
- package-manager/composer
- vendor/moodle
- canonical/moodle moodle
- version/moodle moodle/3.11.0
- version/moodle moodle/4.0.0
- version/moodle moodle/4.1.0
- version/moodle moodle/4.2.0
- vendor/fedoraproject
- canonical/fedoraproject extra packages for enterprise linux
- version/fedoraproject extra packages for enterprise linux/7.0
- canonical/fedoraproject fedora
- version/fedoraproject fedora/38
- package-manager/redhat