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TYPO3 XXE Vulnerability (TYPO3-CORE-SA-2020-012)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
TYPO3 is prone to an XML External Entity (XXE) vulnerability in the Dasboard widget.
Insight
Insight
It has been discovered that RSS widgets are susceptible to XML external entity processing. This vulnerability is reasonable, but is theoretical - it was not possible to actually reproduce the vulnerability with current PHP versions of supported and maintained system distributions. At least with libxml2 version 2.9, the processing of XML external entities is disabled per default - and cannot be exploited. Besides that, a valid backend user account is needed.
Affected Software
Affected Software
TYPO3 version 10.4.0 through 10.4.9.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 10.4.10 or later.