CVE-2020-15086

Public Exploit
Potential Remote Code Execution in TYPO3 with mediace extension

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 3.68% Top 15%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: FriendsOfTYPO3 mediace
Published at:
Updated at:

References

Link Tags
https://github.com/FriendsOfTYPO3/mediace/security/advisories/GHSA-4h44-w6fm-548g exploit third party advisory patch
https://github.com/FriendsOfTYPO3/mediace/commit/fa29ffd3e8b275782a8600d2406e1b1e5e16ae75 third party advisory patch
https://github.com/FriendsOfTYPO3/mediace/pull/31 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-15086?
CVE-2020-15086 has been scored as a critical severity vulnerability.
How to fix CVE-2020-15086?
To fix CVE-2020-15086, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-15086 being actively exploited in the wild?
It is possible that CVE-2020-15086 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-15086?
CVE-2020-15086 affects FriendsOfTYPO3 mediace.
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