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GHSA-x7r4-26m9-hmgqmedium

Moodle vulnerable to symlink attack

Impact

spell-check-logic.cgi in Moodle 1.9 before 1.9.4, 1.8 before 1.8.8, 1.7 before 1.7.7 and 1.6 before 1.6.9 allows local users to overwrite arbitrary files via a symlink attack on the (1) /tmp/spell-check-debug.log, (2) /tmp/spell-check-before, or (3) /tmp/spell-check-after temporary file.

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 1.9.0 before 1.9.4Ecosystem versions1.9.4
From 1.8.0 before 1.8.8Ecosystem versions1.8.8
From 1.7.0 before 1.7.7Ecosystem versions1.7.7
From 1.6.0 before 1.6.9Ecosystem versions1.6.9

Version evidence: OSV · GHSA-x7r4-26m9-hmgq

View original version evidence (0 explicit versions)

Original source description

spell-check-logic.cgi in Moodle 1.9 before 1.9.4, 1.8 before 1.8.8, 1.7 before 1.7.7 and 1.6 before 1.6.9 allows local users to overwrite arbitrary files via a symlink attack on the (1) /tmp/spell-check-debug.log, (2) /tmp/spell-check-before, or (3) /tmp/spell-check-after temporary file.

References