Exploitation Summary
EIP tracks 2 public exploits for CVE-2020-8866. PoCs published by Andrea Cardaci.
AI-analyzed exploit summary This exploit targets a file inclusion vulnerability in Horde Webmail, allowing an authenticated attacker to upload a malicious .inc file and include it via a path traversal in the 'trean_Block_Bookmarks' block, leading to remote code execution.
Description
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.
Exploits (2)
This exploit targets a file inclusion vulnerability in Horde Webmail, allowing an authenticated attacker to upload a malicious .inc file and include it via a path traversal in the 'trean_Block_Bookmarks' block, leading to remote code execution.
This exploit leverages PHAR deserialization in Horde Webmail to achieve remote code execution by uploading a malicious PHAR file, triggering its deserialization via a syndicated feed block, and executing arbitrary PHP code.
References (3)
Scores
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N