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GHSA-cr78-rphw-w73pmedium

Moodle Arbitrary File Read via Backup Functionality

Impact

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.

Source excerpt · OSV

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

moodle/moodle Packagist
Affected rangeRecorded fix
From 2.4 before 2.4.1Ecosystem versions2.4.1
From 2.3 before 2.3.4Ecosystem versions2.3.4
From 2.2 before 2.2.7Ecosystem versions2.2.7
From 2.1 before 2.1.10Ecosystem versions2.1.10

Version evidence: OSV · GHSA-cr78-rphw-w73p

View original version evidence (3 explicit versions)

Original source 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.

References