Published: 23/03/2020 Updated: 07/10/2022

CVSS v2 Base Score: 4 | Impact Score: 2.9 | Exploitability Score: 8

CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8

VMScore: 410

Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N

This vulnerability allows remote malicious users 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.

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horde groupware 5.2.22
horde horde form
debian debian linux 8.0

Debian Bug report logs - #955020 php-horde-form: CVE-2020-8866 Package: src:php-horde-form; Maintainer for src:php-horde-form is Horde Maintainers <team+debian-horde-team@trackerdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Thu, 26 Mar 2020 21:15:01 UTC Severity: important Tags: security, ...

## exploit-phar-loadingpy #!/usr/bin/env python3 from horde import Horde import requests import subprocess import sys TEMP_DIR = '/tmp' WWW_ROOT = '/var/www/html' if len(sysargv) < 5: print('Usage: <base_url> <username> <password> <filename> <php_code>') sysexit(1) base_url = sysargv[1] username = sys ...

## exploit-inc-inclusionpy #!/usr/bin/env python3 from horde import Horde import subprocess import sys TEMP_DIR = '/tmp' if len(sysargv) < 5: print('Usage: <base_url> <username> <password> <filename> <php_code>') sysexit(1) base_url = sysargv[1] username = sysargv[2] password = sysargv[3] filename = ...

CWE-434 https://www.zerodayinitiative.com/advisories/ZDI-20-275/https://lists.horde.org/archives/announce/2020/001288.html https://lists.debian.org/debian-lts-announce/2020/03/msg00036.html https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=955020 https://nvd.nist.gov https://www.exploit-db.com/exploits/48210

CVE-2020-8866

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