CVE-2012-6099 Moodle Arbitrary File Read via Backup Functionality
Authenticated users can read arbitrary files via path traversal in the Moodle backup converter, requiring an upgrade to secure the system.
- 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-2012-6099?
CVE-2012-6099 is a medium-severity path traversal vulnerability in Moodle Moodle, published on 27 Jan 2013. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The moodle1 backup converter in backup/converter/moodle1/lib.php in Moodle 2.1.x before 2.1.10, 2.2.x before 2.2.7, 2.3.x before 2.3.4, and 2.4.x before 2.4.1 does not properly validate pathnames, which allows remote authenticated users to read arbitrary files by leveraging the backup-restoration feature.
Weakness: CWE-20
Which versions are affected by CVE-2012-6099?
8 open source packages ship an affected version, including moodle/moodle. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
moodle/moodle Packagist | From 2.1 | 2.1.10 |
moodle/moodle Packagist | From 2.1 | 2.1.10 |
moodle/moodle Packagist | From 2.2 | 2.2.7 |
moodle/moodle Packagist | From 2.2 | 2.2.7 |
moodle/moodle Packagist | From 2.3 | 2.3.4 |
moodle/moodle Packagist | From 2.3 | 2.3.4 |
2 more packages
moodle/moodle Packagist | From 2.4 | 2.4.1 |
moodle/moodle Packagist | From 2.4 | 2.4.1 |
Products include Moodle Moodle.
How do I fix CVE-2012-6099?
Upgrade moodle/moodle to a fixed version for your release line: 2.1.10, 2.2.7, 2.3.4 or 2.4.1.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2012-6099 being exploited?
There is no known exploitation of CVE-2012-6099 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-cr78-rphw-w73p.