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Remote Code Execution in SOY CMS

Moderate
inunosinsi published GHSA-6r2f-p68g-m433 Sep 17, 2020

Package

SOY CMS

Affected versions

3.0.2.328

Patched versions

3.0.2/328

Description

SOY CMS 3.0.2 and earlier is affected by Remote Code Execution (RCE) using Unrestricted File Upload. Cross-Site Scripting(XSS) vulnerability that was used in CVE-2020-15183 can be used to increase impact by redirecting the administrator to access a specially crafted page. This vulnerability is caused by insecure configuration in elFinder.

Impact: RCE via Unrestricted File Upload

  • Attack vector is: Administrator must be logged in.
  • Components are: File Manager
  • Tested SOY CMS Version : 3.0.2 (latest)
  • Affected SOY CMS Version : ~3.0.2

Found by @stypr from Vulnerability Research Team in Flatt Security Inc.

Additional Note:
This is different from CVE-2020-15182 as CVE-2020-15183 as it uses a different component to achieve the remote code execution. In Addition, Reflected XSS used in CVE-2020-15182 can be used together to maximize the impact.

Reference:
Issue: #9
PR: #14

Severity

Moderate

CVE ID

CVE-2020-15189

Weaknesses

No CWEs

Credits