CVE-2017-7531 Moodle Information Disclosure
Medium 4.3
Published
Updated
Check this codebase for CVE-2017-7531 and fix it if it is affected.
What it is: CVE-2017-7531 is a medium-severity vulnerability in Moodle Moodle, published on 17 Jul 2017. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2017-7531 in the wild and no public exploit code.
Affected packages and fixed versions:
- moodle/moodle (Packagist): affected all versions; fixed in 3.3.1
- moodle/moodle (Packagist): affected all versions; fixed in 3.3.1
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2017-7531/ (Markdown: https://insights.sbomify.com/CVE-2017-7531/index.md)
An attacker can view activities in hidden courses via the course overview block, exposing unauthorized information.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-7531?
CVE-2017-7531 is a medium-severity vulnerability in Moodle Moodle, published on 17 Jul 2017. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In Moodle 3.3, the course overview block reveals activities in hidden courses.
Weakness: CWE-200
Which versions are affected by CVE-2017-7531?
2 open source packages ship an affected version, including moodle/moodle. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
moodle/moodle Packagist | All versions | 3.3.1 |
moodle/moodle Packagist | All versions | 3.3.1 |
Products include Moodle Moodle.
How do I fix CVE-2017-7531?
Upgrade moodle/moodle to 3.3.1 or later.
Is CVE-2017-7531 being exploited?
There is no known exploitation of CVE-2017-7531 in the wild and no public exploit code.
Other vulnerabilities in Moodle Moodle
- CVE-2006-4935 File upload in n/a
- CVE-2006-4936 Moodle does not properly validate module instance id
- CVE-2004-2233 Unknown "front page vulnerability with Moodle servers" for Moodle before 1.3.2 has unknown impact and attack vectors.
- CVE-2004-2235 Cross-site scripting in n/a
- CVE-2004-2236 Other in n/a
Sources
Also known as GHSA-w2pj-r8m3-r4jc, UBUNTU-CVE-2017-7531.