Vulnerability Monitor

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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 authenticated users to upload files with a .pht extension and consequently execute arbitrary PHP code.

Published

2017-09-11T09:29:00.467

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 8.8 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-434

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	typo3	typo3	7.6.0	Yes
Application	typo3	typo3	7.6.1	Yes
Application	typo3	typo3	7.6.2	Yes
Application	typo3	typo3	7.6.3	Yes
Application	typo3	typo3	7.6.4	Yes
Application	typo3	typo3	7.6.5	Yes
Application	typo3	typo3	7.6.6	Yes
Application	typo3	typo3	7.6.7	Yes
Application	typo3	typo3	7.6.8	Yes
Application	typo3	typo3	7.6.9	Yes
Application	typo3	typo3	7.6.10	Yes
Application	typo3	typo3	7.6.11	Yes
Application	typo3	typo3	7.6.12	Yes
Application	typo3	typo3	7.6.13	Yes
Application	typo3	typo3	7.6.14	Yes
Application	typo3	typo3	7.6.15	Yes
Application	typo3	typo3	7.6.16	Yes
Application	typo3	typo3	7.6.17	Yes
Application	typo3	typo3	7.6.18	Yes
Application	typo3	typo3	7.6.19	Yes
Application	typo3	typo3	7.6.20	Yes
Application	typo3	typo3	7.6.21	Yes
Application	typo3	typo3	8.0.0	Yes
Application	typo3	typo3	8.0.1	Yes
Application	typo3	typo3	8.1.0	Yes
Application	typo3	typo3	8.1.1	Yes
Application	typo3	typo3	8.1.2	Yes
Application	typo3	typo3	8.2.0	Yes
Application	typo3	typo3	8.2.1	Yes
Application	typo3	typo3	8.3.0	Yes
Application	typo3	typo3	8.3.1	Yes
Application	typo3	typo3	8.4.0	Yes
Application	typo3	typo3	8.4.1	Yes
Application	typo3	typo3	8.5.0	Yes
Application	typo3	typo3	8.5.1	Yes
Application	typo3	typo3	8.6.0	Yes
Application	typo3	typo3	8.6.1	Yes
Application	typo3	typo3	8.7.0	Yes
Application	typo3	typo3	8.7.1	Yes
Application	typo3	typo3	8.7.2	Yes
Application	typo3	typo3	8.7.3	Yes
Application	typo3	typo3	8.7.4	Yes

References

http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html ([email protected])
http://www.securityfocus.com/bid/100620 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1039295 Third Party Advisory, VDB Entry ([email protected])
https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007/ Exploit, Vendor Advisory ([email protected])
http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/100620 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1039295 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007/ Exploit, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)