Kentico up to 12.0.49 File Upload Content-Type Header unrestricted upload

Summaryinfo

A vulnerability has been found in Kentico up to 12.0.49 and classified as problematic. Impacted is an unknown function of the component File Upload. This manipulation as part of Content-Type Header causes unrestricted upload. The identification of this vulnerability is CVE-2019-19493. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Kentico up to 12.0.49 and classified as problematic. Affected by this vulnerability is an unknown part of the component File Upload. The manipulation as part of a Content-Type Header leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect integrity. The summary by CVE is:

Kentico before 12.0.50 allows file uploads in which the Content-Type header is inconsistent with the file extension, leading to XSS.

The weakness was shared 12/02/2019. This vulnerability is known as CVE-2019-19493. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 12.0.50 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (48864). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• Kentico

Version

• 12.0.0
• 12.0.1
• 12.0.2
• 12.0.3
• 12.0.4
• 12.0.5
• 12.0.6
• 12.0.7
• 12.0.8
• 12.0.9
• 12.0.10
• 12.0.11
• 12.0.12
• 12.0.13
• 12.0.14
• 12.0.15
• 12.0.16
• 12.0.17
• 12.0.18
• 12.0.19
• 12.0.20
• 12.0.21
• 12.0.22
• 12.0.23
• 12.0.24
• 12.0.25
• 12.0.26
• 12.0.27
• 12.0.28
• 12.0.29
• 12.0.30
• 12.0.31
• 12.0.32
• 12.0.33
• 12.0.34
• 12.0.35
• 12.0.36
• 12.0.37
• 12.0.38
• 12.0.39
• 12.0.40
• 12.0.41
• 12.0.42
• 12.0.43
• 12.0.44
• 12.0.45
• 12.0.46
• 12.0.47
• 12.0.48
• 12.0.49

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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