SB2020050505 - Multiple vulnerabilities in MonoX

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Main Vulnerability Database SB2020050505

SB2020050505 - Multiple vulnerabilities in MonoX

Published: May 5, 2020

Security Bulletin ID SB2020050505
Severity
High
Patch available
NO
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 25% Medium 50% Low 25%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-12473)

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions. A remote administrator can reconfigure the Converter Executable setting from "ffmpeg.exe" to a different program, escalate privileges on the target system and execute arbitrary code.


2) Deserialization of Untrusted Data (CVE-ID: CVE-2020-12471)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data in "HTML5Upload.ashx" or "Pages/SocialNetworking/lng/en-US/PhotoGallery.aspx". A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

This vulnerability affects the following classes:

  • MonoX.MonoSoftware.MonoX.ModuleGallery.HTML5Upload
  • MonoX.MonoSoftware.MonoX.ModuleGallery.SilverLightUploadModule
  • MonoX.MonoSoftware.MonoX.HTML5Upload
  • MonoX.MonoSoftware.MonoX.SilverLightUploadHandler

3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-12470)

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the "ctlUpload_radUploadfile0" parameter in "MonoX.MonoSoftware.MonoX.Admin.PageManagerPageTemplates" file. A remote administrator can modify ASPX templates for the entire site, gain elevated privileges and execute arbitrary code.


4) Stored cross-site scripting (CVE-ID: CVE-2020-12472)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in User Status, Blog Comments, or Blog Description. A remote authenticated attacker can permanently inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References