CVE-2021-36122 : Vulnerability Insights and Analysis

An issue was discovered in Echo ShareCare 8.15.5 where the UnzipFile feature is susceptible to a command argument injection vulnerability, allowing authenticated users to inject arbitrary arguments to 7z.exe.

Understanding CVE-2021-36122

This CVE identifies a vulnerability in Echo ShareCare 8.15.5 that can be exploited by authenticated users to manipulate the zippass parameter and inject malicious arguments to 7z.exe.

What is CVE-2021-36122?

CVE-2021-36122 is a command argument injection vulnerability found in the Access/EligFeedParse_Sup/UnzipFile_Upd.cfm feature of Echo ShareCare 8.15.5, which could be exploited by authenticated users.

The Impact of CVE-2021-36122

The vulnerability allows attackers to inject arbitrary arguments to 7z.exe, potentially leading to unauthorized access, data theft, or further exploitation of the affected system.

Technical Details of CVE-2021-36122

This section delves into the specifics of the vulnerability, the affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises due to improper input validation in the UnzipFile feature, permitting authenticated users to inject malicious arguments to the 7z.exe executable.

Affected Systems and Versions

Echo ShareCare 8.15.5 is identified as the affected version with the UnzipFile feature susceptible to this command argument injection vulnerability.

Exploitation Mechanism

Authenticated users can exploit this vulnerability by manipulating the zippass parameter in the UnzipFile feature to inject arbitrary arguments to 7z.exe.

Mitigation and Prevention

To address CVE-2021-36122, users and organizations should take immediate action to secure their systems and prevent potential exploitation.

Immediate Steps to Take

Implement restrictions on user input in the zippass parameter, regularly monitor for unauthorized access, and apply security patches promptly.

Long-Term Security Practices

Enforce secure coding practices, conduct regular security assessments, and educate users on safe computing habits to mitigate similar vulnerabilities in the future.

Patching and Updates

Ensure timely installation of patches and updates released by Echo ShareCare to eliminate the vulnerability and enhance system security.