CVE-2017-12796 Information

Description

The Reporting Compatibility Add On before 2.0.4 for OpenMRS as distributed in OpenMRS Reference Application before 2.6.1 does not authenticate users when deserializing XML input into ReportSchema objects. The result is that remote unauthenticated users are able to execute operating system commands by crafting malicious XML payloads as demonstrated by a single admin/reports/reportSchemaXml.form request.

CVSS Vector

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

Reference

https://isears.github.io/jekyll/update/2017/10/21/openmrs-rce.html https://talk.openmrs.org/t/critical-security-advisory-2017-09-12/13291 https://wiki.openmrs.org/display/RES/Release+Notes+2.6.1

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