CVE-2021-40694
First published: Fri Jan 21 2022(Updated: )
Insufficient escaping of the LaTeX preamble made it possible for site administrators to read files available to the HTTP server system account.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/moodle/moodle | >=3.11<3.11.3 | 3.11.3 |
| composer/moodle/moodle | >=3.10<3.10.7 | 3.10.7 |
| composer/moodle/moodle | >=3.9<3.9.10 | 3.9.10 |
| Moodle | <3.9.10 | |
| Moodle | >=3.10.0<3.10.7 | |
| Moodle | >=3.11.0<3.11.3 |
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Reference Links
- https://moodle.org/mod/forum/discuss.php?d=427106
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2043423
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2043422
- https://bugzilla.redhat.com/show_bug.cgi?id=2043421
- https://nvd.nist.gov/vuln/detail/CVE-2021-40694
- https://github.com/advisories/GHSA-m37g-mwcg-7j7v (Advisory)
Frequently Asked Questions
What is the severity of CVE-2021-40694?
CVE-2021-40694 is classified as a medium severity vulnerability impacting the Moodle platform.
How do I fix CVE-2021-40694?
To fix CVE-2021-40694, upgrade Moodle to version 3.11.3, 3.10.7, or 3.9.10.
What versions of Moodle are affected by CVE-2021-40694?
CVE-2021-40694 affects Moodle versions before 3.11.3, 3.10.7, and 3.9.10.
Can site administrators exploit CVE-2021-40694?
Yes, CVE-2021-40694 allows site administrators to read files available to the HTTP server system account.
What type of vulnerability is CVE-2021-40694?
CVE-2021-40694 is a vulnerability related to insufficient escaping of the LaTeX preamble in Moodle.
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