CVE-2015-1493 Moodle directory traversal vulnerability

What is CVE-2015-1493?

CVE-2015-1493 is a medium-severity path traversal vulnerability in Moodle Moodle, published on 1 Jun 2015. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Directory traversal vulnerability in the min_get_slash_argument function in lib/configonlylib.php in Moodle through 2.5.9, 2.6.x before 2.6.8, 2.7.x before 2.7.5, and 2.8.x before 2.8.3 allows remote authenticated users to read arbitrary files via a .. (dot dot) in the file parameter, as demonstrated by reading PHP scripts.

Weakness: CWE-22

Which versions are affected by CVE-2015-1493?

6 open source packages ship an affected version, including moodle/moodle. It affects 1 product.

Products include Moodle Moodle.

How do I fix CVE-2015-1493?

Upgrade moodle/moodle to a fixed version for your release line: 2.6.8, 2.7.5 or 2.8.3.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2015-1493 being exploited?

There is no known exploitation of CVE-2015-1493 in the wild and no public exploit code.

Other vulnerabilities in Moodle Moodle

• CVE-2006-4935 File upload in n/a Critical 10.0
• CVE-2006-4936 Moodle does not properly validate module instance id Critical 10.0
• CVE-2004-2233 Unknown "front page vulnerability with Moodle servers" for Moodle before 1.3.2 has unknown impact and attack vectors. Critical 10.0
• CVE-2004-2235 Cross-site scripting in n/a Critical 10.0
• CVE-2004-2236 Other in n/a Critical 10.0

All Moodle Moodle vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as CVE-2015-0246, GHSA-gphj-63h8-r9vq, MGASA-2015-0057.