High severity · published Sep 11, 2017
CVE-2017-14251
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…
8.8
CVSS
2.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TY
Typo3 · Typo3
7.6.0; 7.6.1; 7.6.2; 7.6.3; 7.6.4; 7.6.5; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-14251
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-14251
blog.emaze.net
http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html
Third Party Advisory
http://www.securityfocus.com/bid/100620
Third Party Advisory
http://www.securitytracker.com/id/1039295
Exploit
https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007/
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