Advisory Details

March 10th, 2020

Horde Groupware Webmail Edition edit Page Directory Traversal Remote Code Execution Vulnerability

ZDI-20-276
ZDI-CAN-10469

CVE ID CVE-2020-8865
CVSS SCORE 6.3, AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
AFFECTED VENDORS Horde
AFFECTED PRODUCTS Groupware Webmail Edition
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute local PHP files on affected installations of Horde Groupware Webmail Edition. Authentication is required to exploit this vulnerability.

The specific flaw exists within edit.php. When parsing the params[template] parameter, the process does not properly validate a user-supplied path prior to using it in file operations. 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/2020/001286.html
DISCLOSURE TIMELINE
  • 2020-02-28 - Vulnerability reported to vendor
  • 2020-03-10 - Coordinated public release of advisory
CREDIT Andrea Cardaci
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