A vulnerability classified as critical has been found in DeDeCMS 5.3 (Content Management System). This affects an unknown part of the component File Upload. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Unrestricted file upload vulnerability in member/uploads_edit.php in dedecms 5.3 allows remote attackers to execute arbitrary code by uploading a file with a double extension in the filename, then accessing this file via unspecified vectors, as demonstrated by a .jpg.php filename.

The weakness was disclosed 07/01/2009 as not defined posting (Bugtraq). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2009-2270 since 07/01/2009. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Type

• Content Management System

Name

• DeDeCMS

Version

• 5.3

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

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