Headline

CVE-2020-8866: ZDI-20-275

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.

4 years ago

CVE

Open in Source

#vulnerability #web #php #auth

March 10th, 2020

Horde Groupware Webmail Edition add Page Unrestricted File Upload Arbitrary File Creation Vulnerability****ZDI-20-275
ZDI-CAN-10125

CVE ID

CVE-2020-8866

CVSS SCORE

4.3, (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)

AFFECTED VENDORS

Horde

AFFECTED PRODUCTS

Groupware Webmail Edition

VULNERABILITY DETAILS

This vulnerability allows remote attackers to create arbitrary files on affected installations of Horde Groupware Webmail Edition. 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.

ADDITIONAL DETAILS

Horde has issued an update to correct this vulnerability. More details can be found at:
https://lists.horde.org/archives/announce/2020/001288.html

DISCLOSURE TIMELINE