CVE-2021-25173 : Security Advisory and Response
Discover the details of CVE-2021-25173, a memory allocation vulnerability in Open Design Alliance Drawings SDK before 2021.12 that could lead to denial of service attacks.
This article provides an overview of CVE-2021-25173, a vulnerability in Open Design Alliance Drawings SDK that could lead to denial of service attacks.
Understanding CVE-2021-25173
This section will cover the key details of the CVE-2021-25173 vulnerability.
What is CVE-2021-25173?
CVE-2021-25173 is a memory allocation vulnerability in Open Design Alliance Drawings SDK before version 2021.12. It arises when reading malformed DGN files, potentially allowing attackers to trigger a crash and initiate denial of service attacks.
The Impact of CVE-2021-25173
The vulnerability poses a risk of crashes, exits, or restarts, which could disrupt the normal operation of systems and applications utilizing the affected SDK.
Technical Details of CVE-2021-25173
In this section, we delve into the technical aspects of the CVE-2021-25173 vulnerability.
Vulnerability Description
The issue stems from a memory allocation flaw in Open Design Alliance Drawings SDK, enabling threat actors to exploit excessively sized memory allocations via malformed DGN files.
Affected Systems and Versions
All versions of Open Design Alliance Drawings SDK prior to 2021.12 are vulnerable to CVE-2021-25173, putting systems deploying these versions at risk.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting and supplying specially created DGN files to the SDK, triggering the memory allocation flaw and potentially causing crashes and denial of service.
Mitigation and Prevention
This section outlines the steps to mitigate and prevent the exploitation of CVE-2021-25173.
Immediate Steps to Take
Users are advised to update their Open Design Alliance Drawings SDK to version 2021.12 or newer to remediate the vulnerability and prevent potential exploits.
Long-Term Security Practices
Implementing secure coding practices, conducting regular security audits, and keeping software up to date are essential for long-term protection against similar vulnerabilities.
Patching and Updates
Staying informed about security advisories and promptly applying patches released by the SDK vendor is crucial in maintaining the security of systems and applications.