CVE-2018-8712 Information

Description

An issue was discovered in Webmin 1.840 and 1.880 when the default Yes setting of \Can view any file as a log file\ is enabled. As a result of weak default configuration settings limited users have full access rights to the underlying Unix system files allowing the user to read sensitive data from the local system (using Local File Include) such as the ‘/etc/shadow’ file via a \GET /syslog/save_log.cgi?view=1&file=/etc/shadow\ request.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://www.7elements.co.uk/resources/technical-advisories/webmin-1-840-1-880-unrestricted-access-arbitrary-files-using-local-file-include/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8

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