Horde Groupware Webmail Edition 5.2.22 add.php unrestricted upload

Summaryinfo

A vulnerability identified as critical has been detected in Horde Groupware Webmail Edition 5.2.22. Affected is an unknown function of the file add.php. The manipulation leads to unrestricted upload. This vulnerability is listed as CVE-2020-8866. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Horde Groupware Webmail Edition 5.2.22 (Groupware Software). It has been rated as critical. This issue affects some unknown functionality of the file add.php. 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:

This vulnerability allows remote attackers to create arbitrary files on affected installations of Horde Groupware Webmail Edition 5.2.22. Authentication is required to exploit this vulnerability. The specific flaw exists within add.php. The issue results from the lack of proper validation of user-supplied data, which can allow the upload of arbitrary files. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the www-data user. Was ZDI-CAN-10125.

The weakness was presented 03/23/2020. The identification of this vulnerability is CVE-2020-8866 since 02/11/2020. The attack may be initiated remotely. A simple authentication is required for exploitation. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:add.php it is possible to find vulnerable targets with Google Hacking.

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 (48210). See VDB-152062 for similar entry. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Groupware Software

Vendor

• Horde

Name

• Groupware Webmail Edition

Version

• 5.2.22

License

• free

Website

• Vendor: https://www.horde.org/

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

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