CVE-2017-14251

Public Exploit

Description

Unrestricted File Upload vulnerability in the fileDenyPattern in sysext/core/Classes/Core/SystemEnvironmentBuilder.php in TYPO3 7.6.0 to 7.6.21 and 8.0.0 to 8.7.4 allows remote authenticated users to upload files with a .pht extension and consequently execute arbitrary PHP code.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 3.54% Top 15%
Vendor Advisory typo3.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007/ exploit vendor advisory
http://www.securityfocus.com/bid/100620 vdb entry third party advisory
http://www.securitytracker.com/id/1039295 vdb entry third party advisory
http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html

Frequently Asked Questions

What is the severity of CVE-2017-14251?
CVE-2017-14251 has been scored as a high severity vulnerability.
How to fix CVE-2017-14251?
To fix CVE-2017-14251, 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-2017-14251 being actively exploited in the wild?
It is possible that CVE-2017-14251 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.
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