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GHSA-68jc-v27h-vhmwhigh8.8 Known exploited

Drupal core Unrestricted Upload of File with Dangerous Type

Impact

Update November 18: Documented longer list of dangerous file extensions

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.

drupal/core Packagist
Affected rangeRecorded fix
From 9.0.0 before 9.0.8Ecosystem versions9.0.8
From 8.9.0 before 8.9.9Ecosystem versions8.9.9
From 8.0.0 before 8.8.11Ecosystem versions8.8.11
From 7.0.0 before 7.74Ecosystem versions7.74
From 8.0.0 before 8.8.11Ecosystem versions8.8.11
From 8.9.0 before 8.9.9Ecosystem versions8.9.9
From 9.0.0 before 9.0.8Ecosystem versions9.0.8

Version evidence: OSV · GHSA-68jc-v27h-vhmwOSV · DRUPAL-CORE-2020-012

View original version evidence (310 explicit versions)
Affected rangeRecorded fix
From 7.0.0 before 7.74Ecosystem versions7.74
From 8.0.0 before 8.8.11Ecosystem versions8.8.11
From 8.9.0 before 8.9.9Ecosystem versions8.9.9
From 9.0.0 before 9.0.8Ecosystem versions9.0.8

Version evidence: OSV · GHSA-68jc-v27h-vhmw

View original version evidence (155 explicit versions)

Original source description

Update November 18: Documented longer list of dangerous file extensions

Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations.

References