CVE-2020-15086

Potential Remote Code Execution in TYPO3 with mediace extension

State: Published
Severity: 9.8 Critical
Published: Jul 29, 2020
Updated: Aug 4, 2024
Reserved: Jun 25, 2020

Description

In TYPO3 installations with the "mediace" extension from version 7.6.2 and before version 7.6.5, it has been discovered that an internal verification mechanism can be used to generate arbitrary checksums. The allows to inject arbitrary data having a valid cryptographic message authentication code and can lead to remote code execution. To successfully exploit this vulnerability, an attacker must have access to at least one `Extbase` plugin or module action in a TYPO3 installation. This is fixed in version 7.6.5 of the "mediace" extension for TYPO3.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-20 {"CWE-20":"Improper Input Validation"}
CWE-325 {"CWE-325":"Missing Required Cryptographic Step"}
CWE-502 {"CWE-502":"Deserialization of Untrusted Data"}
CWE-200 Information Exposure

Affected Products

Product	Versions
mediaceFriendsOfTYPO3	>= 7.6.2, < 7.6.5Affected

References

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