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GHSA-f35p-hcwf-9f9fmedium

TYPO3 Unrestricted File Upload vulnerability

Impact

TYPO3 4.0.x before 4.0.9, 4.1.x before 4.1.7, and 4.2.x before 4.2.1, uses an insufficiently restrictive default fileDenyPattern for Apache, which allows remote attackers to bypass security restrictions and upload configuration files such as .htaccess, or conduct file upload attacks using multiple 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.

typo3/cms-core Packagist
Affected rangeRecorded fix
From 4.0.0 before 4.0.9Ecosystem versions4.0.9
From 4.1.0 before 4.1.7Ecosystem versions4.1.7
From 4.2.0 before 4.2.1Ecosystem versions4.2.1

Version evidence: OSV · GHSA-f35p-hcwf-9f9f

View original version evidence (0 explicit versions)

Original source description

TYPO3 4.0.x before 4.0.9, 4.1.x before 4.1.7, and 4.2.x before 4.2.1, uses an insufficiently restrictive default fileDenyPattern for Apache, which allows remote attackers to bypass security restrictions and upload configuration files such as .htaccess, or conduct file upload attacks using multiple extensions.

References