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 · OSVAffected 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 range | Recorded fix |
|---|---|
| From 9.0.0 before 9.0.8Ecosystem versions | 9.0.8 |
| From 8.9.0 before 8.9.9Ecosystem versions | 8.9.9 |
| From 8.0.0 before 8.8.11Ecosystem versions | 8.8.11 |
| From 7.0.0 before 7.74Ecosystem versions | 7.74 |
| From 8.0.0 before 8.8.11Ecosystem versions | 8.8.11 |
| From 8.9.0 before 8.9.9Ecosystem versions | 8.9.9 |
| From 9.0.0 before 9.0.8Ecosystem versions | 9.0.8 |
Version evidence: OSV · GHSA-68jc-v27h-vhmwOSV · DRUPAL-CORE-2020-012
View original version evidence (310 explicit versions)
drupal/drupal Packagist
| Affected range | Recorded fix |
|---|---|
| From 7.0.0 before 7.74Ecosystem versions | 7.74 |
| From 8.0.0 before 8.8.11Ecosystem versions | 8.8.11 |
| From 8.9.0 before 8.9.9Ecosystem versions | 8.9.9 |
| From 9.0.0 before 9.0.8Ecosystem versions | 9.0.8 |
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
- Security advisory nvd.nist.gov/vuln/detail/CVE-2020-13671
- Security advisory github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2020-13671.yaml
- Security advisory github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2020-13671.yaml
- Source reference github.com/drupal/core
- Source reference lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437
- Source reference lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT
- Source reference lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437
- Source reference lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT
- Security advisory www.cisa.gov/known-exploited-vulnerabilities-catalog
- Security advisory www.drupal.org/sa-core-2020-012