TYPO3-CORE-SA-2016-010: Arbitrary File Disclosure in Form Component
April 12, 2016
It has been discovered, that TYPO3 Form Component is susceptible to Arbitrary File Disclosure.
Component Type: TYPO3 CMS
Release Date: April 12, 2016
Vulnerable subcomponent: Form
Vulnerability Type: Arbitrary File Disclosure
Affected Versions: Versions 6.2.0 to 6.2.19
Suggested CVSS v2.0: AV:N/AC:L/Au:S/C:C/I:N/A:N/E:P/RL:O/RC:C
CVE: not assigned yet
Problem Description: Failing to properly validate user input, the form component is susceptible to Arbitrary File Disclosure. A valid backend user account is needed to exploit this vulnerability. Only forms are vulnerable, which contain upload fields.
Solution: Update to TYPO3 versions 6.2.20 that fix the problem described.
Credits: Thanks to Gerrit Venema who discovered and reported the issues.
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