CVE-2017-14251

CVSS V2 Medium 6.5 CVSS V3 High 8.8

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.

Overview

CVE ID
CVE-2017-14251

Assigner
cve@mitre.org

Vulnerability Status
Modified

Published Version
2017-09-11T09:29:00

Last Modified Date
2017-12-04T02:29:00

Weakness Enumerations

CWE	URL
CWE-434	http://cwe.mitre.org/data/definitions/434.html

CPE Configuration (Product)

CPE	Vulnerable	Operator
cpe:2.3:a:typo3:typo3:7.6.0:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.1:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.2:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.3:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.4:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.5:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.6:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.7:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.8:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.9:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.10:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.11:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.12:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.13:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.14:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.15:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.16:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.17:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.18:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.19:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.20:::::::*	1	OR
cpe:2.3:a:typo3:typo3:7.6.21:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.0.0:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.0.1:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.1.0:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.1.1:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.1.2:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.2.0:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.2.1:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.3.0:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.3.1:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.4.0:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.4.1:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.5.0:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.5.1:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.6.0:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.6.1:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.7.0:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.7.1:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.7.2:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.7.3:::::::*	1	OR
cpe:2.3:a:typo3:typo3:8.7.4:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:S/C:P/I:P/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
SINGLE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
6.5

Severity
MEDIUM

Exploitability Score
8

Impact Score
6.4

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
8.8

Base Severity
HIGH

Exploitability Score
2.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007/	Exploit Vendor Advisory
http://www.securitytracker.com/id/1039295	Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/100620	Third Party Advisory VDB Entry
http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2017-14251
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14251

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 08:10:02				Added to TrackCVE
2022-12-02 20:45:34	2017-09-11T09:29Z	2017-09-11T09:29:00	CVE Published Date	updated
2022-12-02 20:45:34		2017-12-04T02:29:00	CVE Modified Date	updated
2022-12-02 20:45:34		Modified	Vulnerability Status	updated