CVE-2020-8866

 

Published at: - 23-03-2020 10:15

Last modified: - 07-10-2022 05:35

Total changes: - 2

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

 

Verification logic

 

Reference

• https://www.zerodayinitiative.com/advisories/ZDI-20-275/
• https://lists.horde.org/archives/announce/2020/001288.html
• [debian-lts-announce] 20200329 [SECURITY] [DLA 2162-1] php-horde-form security update-Mailing List, Third Party Advisory

 

Keywords

NVD

 

CVE-2020-8866

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures