CVE-2020-7808 : Security Advisory and Response

RAONWIZ Inc K Upload, arguments modification via missing support for integrity check vulnerability

Understanding CVE-2020-7808

In RAONWIZ K Upload v2018.0.2.51 and prior, a vulnerability exists that allows an attacker to modify arguments due to missing integrity check support, leading to potential DLL downloading and injection.

What is CVE-2020-7808?

This CVE refers to a security flaw in RAONWIZ K Upload versions 2018.0.2.51 and earlier, enabling unauthorized modification of arguments during automatic update processing.

The Impact of CVE-2020-7808

The vulnerability poses a high risk with a CVSS base score of 8.7, impacting confidentiality and availability. Attackers can exploit this issue remotely without requiring privileges.

Technical Details of CVE-2020-7808

The technical aspects of this CVE are as follows:

Vulnerability Description

The flaw allows attackers to modify arguments due to the absence of integrity check support.

Affected Systems and Versions

Platforms: Windows 7/8/10
Product: K Upload
Vendor: RAONWIZ Inc
Vulnerable Versions: <= 2018.0.2.51

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Availability Impact: High
Confidentiality Impact: High
Integrity Impact: None
Privileges Required: None
Scope: Changed
User Interaction: None

Mitigation and Prevention

To address CVE-2020-7808, consider the following steps:

Immediate Steps to Take

Disable automatic updates until a patch is available.
Monitor for any suspicious DLL downloads or injections.

Long-Term Security Practices

Implement integrity checks for update processes.
Regularly update software and apply security patches.

Patching and Updates

Check for security updates from RAONWIZ Inc and apply them promptly.