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MEDIUM

GHSA-c22j-84c7-cm77

TYPO3 leaks a hash secret in an error message

Quick fix

GHSA-c22j-84c7-cm77 — typo3/cms: upgrade to the fixed version with the command below.

composer require typo3/cms:^4.0.12

Details

The jumpUrl mechanism in class.tslib_fe.php in TYPO3 3.3.x through 3.8.x, 4.0 before 4.0.12, 4.1 before 4.1.10, 4.2 before 4.2.6, and 4.3alpha1 leaks a hash secret (juHash) in an error message, which allows remote attackers to read arbitrary files by including the hash in a request.

Are you affected?

Enter the version of the package you're using.

Affected packages

Packagist/typo3/cms
Introduced in: 3.3Fixed in: 4.0.12
Fixcomposer require typo3/cms:^4.0.12
Packagist/typo3/cms
Introduced in: 4.1Fixed in: 4.1.10
Fixcomposer require typo3/cms:^4.1.10
Packagist/typo3/cms
Introduced in: 4.2Fixed in: 4.2.6
Fixcomposer require typo3/cms:^4.2.6

References