CVE-2023-5548: Moodle: cache poisoning risk with endpoint revision numbers
First published: Thu Oct 12 2023(Updated: )
Stronger revision number limitations were required on file serving endpoints to improve cache poisoning protection.
Credit: patrick@puiterwijk.org patrick@puiterwijk.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 |
| 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 | |
| composer/moodle/moodle | <4.3.0-rc2 | 4.3.0-rc2 |
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Reference Links
- https://moodle.org/mod/forum/discuss.php?d=451589
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2244917
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2244918
- https://bugzilla.redhat.com/show_bug.cgi?id=2243449
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77846
- https://nvd.nist.gov/vuln/detail/CVE-2023-5548
- https://github.com/moodle/moodle/commit/7679452caff6faa33f00d3f0589c5190bc01a933
- https://github.com/advisories/GHSA-cwh2-q44x-5w3c (Advisory)
Frequently Asked Questions
What is CVE-2023-5548?
CVE-2023-5548 is a vulnerability that poses a cache poisoning risk with endpoint revision numbers.
What is the severity of CVE-2023-5548?
The severity of CVE-2023-5548 is medium with a CVSS score of 5.3.
Which software versions are affected by CVE-2023-5548?
The affected software versions are Moodle 4.2.3, 4.1.6, 4.0.11, 3.11.17, and 3.9.24.
How can I fix CVE-2023-5548?
To fix CVE-2023-5548, update your Moodle installation to version 4.2.3, 4.1.6, 4.0.11, 3.11.17, or 3.9.24 depending on your current version.
Where can I find more information about CVE-2023-5548?
You can find more information about CVE-2023-5548 at the following references: [link1](http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77846), [link2](https://bugzilla.redhat.com/show_bug.cgi?id=2243449), [link3](https://moodle.org/mod/forum/discuss.php?d=451589).
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- vendor/moodle
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