Main Vulnerability Database Vulnerabilities #VU25846

Arbitrary file upload in Horde Form - CVE-2020-8866

Published: March 10, 2020

Vulnerability identifier: #VU25846

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-8866

CWE-ID: CWE-434

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The 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.

Affected software

Horde Form
Fedora
php-horde-Horde-Form

How to mitigate CVE-2020-8866

Install updates from vendor's website.

Horde Form - update to 2.0.20
php-horde-Horde-Form - addressed in versions 2.0.20-1.el6, 2.0.20-1.el7, 2.0.20-1.fc30, 2.0.20-1.fc31, 2.0.20-1.fc32

External References

https://www.zerodayinitiative.com/advisories/ZDI-20-275/
https://lists.horde.org/archives/announce/2020/001288.html

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