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CVE-2017-14251

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Date: September 11, 2017

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.

Language: PHP

Severity Score

Related Resources (8)

https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007
https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007/
http://www.securityfocus.com/bid/100620
http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html
https://github.com/TYPO3/typo3
https://nvd.nist.gov/vuln/detail/CVE-2017-14251
http://www.securitytracker.com/id/1039295
https://www.mend.io/vulnerability-database/CVE-2017-14251

Severity Score

Weakness Type (CWE)

Unrestricted Upload of File with Dangerous Type

CWE-434

Top Fix

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Upgrade to version TYPO3_7-6-22,TYPO3_8-7-5

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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