CVE-2021-25178 : Security Advisory and Response
Learn about CVE-2021-25178, a stack-based buffer overflow issue in Open Design Alliance Drawings SDK. Understand its impact, affected versions, exploitation mechanism, and mitigation steps.
An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. This CVE has a stack-based buffer overflow vulnerability that occurs when the recover operation is executed with malformed .DXF and .DWG files. The exploitation of this vulnerability may lead to a denial of service attack or potential code execution.
Understanding CVE-2021-25178
This section will provide insights into the nature of the CVE and its impact.
What is CVE-2021-25178?
CVE-2021-25178 is a stack-based buffer overflow vulnerability found in Open Design Alliance Drawings SDK before 2021.11. The vulnerability arises when the recover operation processes corrupted .DXF and .DWG files.
The Impact of CVE-2021-25178
The exploitation of this vulnerability can result in an attacker causing a crash, leading to a denial of service attack. Furthermore, it could potentially enable malicious actors to execute arbitrary code on the affected system.
Technical Details of CVE-2021-25178
In this section, we will delve into the specifics of the vulnerability, affected systems, and exploitation mechanism.
Vulnerability Description
The CVE involves a stack-based buffer overflow that occurs during the recover operation with malformed .DXF and .DWG files, creating an opportunity for attackers to manipulate the system's behavior.
Affected Systems and Versions
The vulnerability affects Open Design Alliance Drawings SDK versions before 2021.11. Users of these versions are at risk of exploitation if exposed to corrupted .DXF and .DWG files.
Exploitation Mechanism
By submitting specially crafted malicious files, threat actors can trigger the stack-based buffer overflow, potentially leading to a crash, denial of service, or arbitrary code execution.
Mitigation and Prevention
This section provides guidance on immediate actions to take and long-term security practices to mitigate the risk of exploitation.
Immediate Steps to Take
Users are advised to update to a secure version of Open Design Alliance Drawings SDK (2021.11 or later) to prevent exploitation. Implementing file integrity checks and restricting access to vulnerable systems are also recommended.
Long-Term Security Practices
It is crucial to stay informed about security advisories and regularly update software to address known vulnerabilities. Employing network segmentation and access controls can reduce the attack surface and enhance overall security posture.
Patching and Updates
Stay updated with security patches and software updates provided by Open Design Alliance. Timely installation of patches is essential to address known vulnerabilities and protect systems from potential exploitation.