CMS Made Simple 2.2.14 File Manager unrestricted upload

Summaryinfo

A vulnerability classified as critical has been found in CMS Made Simple 2.2.14. The affected element is an unknown function of the component File Manager. The manipulation leads to unrestricted upload. This vulnerability is referenced as CVE-2020-17462. The attack can only be performed from a local environment. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in CMS Made Simple 2.2.14 (Content Management System) and classified as critical. This issue affects some unknown processing of the component File Manager. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

CMS Made Simple 2.2.14 allows Authenticated Arbitrary File Upload because the File Manager does not block .ptar files, a related issue to CVE-2017-16798.

The weakness was published 08/14/2020 as EDB-ID 48742 as not defined exploit (Exploit-DB). It is possible to read the advisory at exploit-db.com. The identification of this vulnerability is CVE-2020-17462 since 08/09/2020. The exploitation is known to be easy. The attack may be initiated remotely. Required for exploitation is a simple authentication. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

After immediately, there has been an exploit disclosed. The exploit is available at exploit-db.com. It is declared as proof-of-concept.

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

The vulnerability is also documented in the vulnerability database at Exploit-DB (48742). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Content Management System

Name

• CMS Made Simple

Version

• 2.2.14

License

• open-source

CPE 2.3info

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CPE 2.2info

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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