CVE-2020-8865
php-horde-trean - security update
6.3
MEDIUM
CVSS 3.1
EPSS 3.9%
Description
This vulnerability allows remote attackers to execute local PHP files on affected installations of Horde Groupware Webmail Edition 5.2.22. Authentication is required to exploit this vulnerability. The specific flaw exists within edit.php. When parsing the params[template] parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the www-data user. Was ZDI-CAN-10469.
How to fix CVE-2020-8865
To remediate CVE-2020-8865, upgrade the affected package to a fixed version below.
- —upgrade to 1.1.10-1 or later
- —upgrade to 1.1.1-2+deb8u1 or later
Is CVE-2020-8865 being exploited?
Low — EPSS is 3.9%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.1.10-1
- from 0, < 1.1.1-2+deb8u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |