CVE-2021-33681 Explained : Impact and Mitigation
Learn about CVE-2021-33681 impacting SAP 3D Visual Enterprise Viewer < 9.0. Find out how this vulnerability allows out-of-bounds write, causing application crashes and unavailability.
SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated CGM file received from untrusted sources which causes an out-of-bounds write vulnerability, leading to application crashes and temporary unavailability until restart.
Understanding CVE-2021-33681
This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-33681.
What is CVE-2021-33681?
The CVE-2021-33681 vulnerability affects SAP 3D Visual Enterprise Viewer versions below 9.0 and allows for an out-of-bounds write attack when opening manipulated CGM files from untrusted sources.
The Impact of CVE-2021-33681
With a CVSS base score of 4.3, this medium severity vulnerability can cause application crashes and temporary unavailability, affecting the reliability of the SAP 3D Visual Enterprise Viewer.
Technical Details of CVE-2021-33681
Understanding the vulnerability description, affected systems, versions, and exploitation mechanisms.
Vulnerability Description
The vulnerability in SAP 3D Visual Enterprise Viewer version - 9 allows attackers to trigger an out-of-bounds write by exploiting manipulated CGM files.
Affected Systems and Versions
SAP 3D Visual Enterprise Viewer versions below 9.0 are impacted by this vulnerability, exposing them to potential crashes and temporary unavailability.
Exploitation Mechanism
Attackers can exploit this vulnerability by tricking users into opening maliciously crafted CGM files that trigger the out-of-bounds write flaw.
Mitigation and Prevention
Best practices to mitigate and prevent the exploitation of CVE-2021-33681.
Immediate Steps to Take
Users should exercise caution when opening files from untrusted sources and consider restricting access to vulnerable versions of SAP 3D Visual Enterprise Viewer.
Long-Term Security Practices
Regular security training, updating systems, and implementing file validation mechanisms can enhance overall security posture.
Patching and Updates
It is crucial to apply patches released by SAP to address the vulnerability in SAP 3D Visual Enterprise Viewer version - 9.