CVE-2022-37122 : Vulnerability Insights and Analysis
Learn about CVE-2022-37122 affecting Carel pCOWeb HVAC BACnet Gateway 2.1.0. Discover the impact, technical details, and mitigation steps for this unauthenticated arbitrary file disclosure vulnerability.
Carel pCOWeb HVAC BACnet Gateway 2.1.0, Firmware: A2.1.0 - B2.1.0, Application Software: 2.15.4A Software v16 13020200 is affected by an unauthenticated arbitrary file disclosure vulnerability. This vulnerability allows attackers to access arbitrary and sensitive files through directory traversal attacks.
Understanding CVE-2022-37122
This section provides insights into the nature and impact of CVE-2022-37122.
What is CVE-2022-37122?
CVE-2022-37122 is an unauthenticated arbitrary file disclosure vulnerability present in the Carel pCOWeb HVAC BACnet Gateway. Attackers can exploit this flaw to reveal the contents of sensitive files by manipulating the 'file' GET parameter in the 'logdownload.cgi' Bash script.
The Impact of CVE-2022-37122
The vulnerability poses a significant risk as it enables threat actors to extract confidential information from the system through unauthorized file access.
Technical Details of CVE-2022-37122
In this section, we delve into the specifics of the vulnerability.
Vulnerability Description
The flaw arises from the lack of proper verification of user-supplied input in the 'file' GET parameter, leading to unauthorized access to files on the system.
Affected Systems and Versions
Carel pCOWeb HVAC BACnet Gateway 2.1.0, including Firmware versions A2.1.0 - B2.1.0, and Application Software version 2.15.4A Software v16 13020200 are impacted by this vulnerability.
Exploitation Mechanism
By exploiting the 'logdownload.cgi' script, attackers can conduct directory traversal attacks to disclose the contents of arbitrary and sensitive files.
Mitigation and Prevention
This section offers guidance on addressing and mitigating the risks associated with CVE-2022-37122.
Immediate Steps to Take
It is recommended to restrict access to the vulnerable script and implement proper input validation mechanisms to prevent unauthorized file access.
Long-Term Security Practices
Regularly update the system software and firmware to patch known vulnerabilities and enhance overall security posture.
Patching and Updates
Apply patches and security updates released by Carel to address the vulnerability and protect the system from potential exploitation.