CVE-2022-1669 : Exploit Details and Defense Strategies
Learn about CVE-2022-1669, a buffer overflow vulnerability in Circutor COMPACT DC-S BASIC device management web portal, allowing attackers to control the function return address. Find out the impact, affected versions, and mitigation steps.
A buffer overflow vulnerability has been detected in the firewall function of the Circutor COMPACT DC-S BASIC device management web portal. An attacker could exploit this vulnerability to overflow the process stack by submitting a long "Address" value, leading to the potential control of the function return address.
Understanding CVE-2022-1669
This CVE pertains to a buffer overflow vulnerability in the management web application of the Circutor COMPACT DC-S BASIC device.
What is CVE-2022-1669?
The vulnerability is due to the lack of proper input validation in the firewall function of the device's web portal, potentially allowing an attacker to execute arbitrary code.
The Impact of CVE-2022-1669
With a CVSS base score of 6.8, this vulnerability poses a medium-severity risk with high availability and integrity impact, affecting versions of CIR_CDC_v1.2.17.
Technical Details of CVE-2022-1669
This section covers specific technical details of the vulnerability.
Vulnerability Description
The issue arises from a buffer overflow in the CGI binary (index.cgi) used in the device's web application, enabling attackers to manipulate the function return address.
Affected Systems and Versions
The vulnerability affects the COMPACT DC-S BASIC device running version CIR_CDC_v1.2.17.
Exploitation Mechanism
By sending a long address value to the device's web portal, threat actors can trigger the buffer overflow, potentially leading to unauthorized control.
Mitigation and Prevention
Explore essential steps to address and prevent the CVE-2022-1669 vulnerability.
Immediate Steps to Take
Circutor has not yet provided mitigation measures. Users are advised to reach out to Circutor customer support for guidance.
Long-Term Security Practices
Implement strict input validation and regularly update the device firmware to safeguard against buffer overflow attacks.
Patching and Updates
Stay informed about security advisories and promptly apply patches released by Circutor to address this vulnerability.