Arbitrary file upload in Horder Form for Horde Groupware
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-8866 |
| CWE-ID | CWE-434 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Horde Form Web applications / Modules and components for CMS |
| Vendor | Horde Project |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Arbitrary file upload
EUVDB-ID: #VU25846
Risk: Medium
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-8866
CWE-ID:
CWE-434 - Unrestricted Upload of File with Dangerous Type
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient processing of file uploads in "add.php" script. A remote authenticated user can upload and execute arbitrary file on the server.
MitigationInstall updates from vendor's website.
Vulnerable software versionsHorde Form: 2.0.0 - 2.0.19
External linkshttp://www.zerodayinitiative.com/advisories/ZDI-20-275/
http://lists.horde.org/archives/announce/2020/001288.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
