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.
References (4)
Core 4
Core References
Exploit, Vendor Advisory x_refsource_confirm
https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007/
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/100620
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1039295
Various Sources x_refsource_misc
http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html
Scores
CVSS v3
8.8
EPSS
0.0354
EPSS Percentile
87.7%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-434
Status
published
Products (43)
typo3/cms
7.6.0 - 7.6.22Packagist
typo3/typo3
7.6.0
typo3/typo3
7.6.1
typo3/typo3
7.6.2
typo3/typo3
7.6.3
typo3/typo3
7.6.4
typo3/typo3
7.6.5
typo3/typo3
7.6.6
typo3/typo3
7.6.7
typo3/typo3
7.6.8
... and 33 more
Published
Sep 11, 2017
Tracked Since
Feb 18, 2026