CVE-2020-13586 Explained : Impact and Mitigation
Learn about CVE-2020-13586, a memory corruption vulnerability in SoftMaker Office PlanMaker 2021 (Revision 1014) that can lead to a heap buffer overflow. Find out the impact, affected systems, and mitigation steps.
A memory corruption vulnerability exists in SoftMaker Office PlanMaker 2021 (Revision 1014) that can lead to a heap buffer overflow when processing Excel Document SST Record 0x00fc.
Understanding CVE-2020-13586
This CVE involves a memory corruption vulnerability in SoftMaker Office PlanMaker 2021 (Revision 1014) that can be exploited through a specially crafted Excel file.
What is CVE-2020-13586?
The vulnerability in SoftMaker Office PlanMaker 2021 (Revision 1014) allows an attacker to trigger a heap buffer overflow by providing a malicious Excel file.
The Impact of CVE-2020-13586
The CVSS score for this vulnerability is 8.8, indicating a high severity level with significant impacts on confidentiality, integrity, and availability of the affected system.
Technical Details of CVE-2020-13586
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability is classified as a memory corruption issue, specifically a heap-based buffer overflow (CWE-122), within the Excel Document SST Record 0x00fc functionality of SoftMaker Office PlanMaker 2021 (Revision 1014).
Affected Systems and Versions
- Product: SoftMaker
- Version: SoftMaker Office PlanMaker 2021 (Revision 1014)
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: None
- User Interaction: Required
- Scope: Unchanged
- Confidentiality, Integrity, and Availability Impact: High
Mitigation and Prevention
Protecting systems from CVE-2020-13586 is crucial to prevent potential exploitation.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Avoid opening Excel files from untrusted or unknown sources.
- Implement network security measures to detect and block malicious files.
Long-Term Security Practices
- Regularly update software and security solutions to mitigate known vulnerabilities.
- Conduct security training for users to recognize and report suspicious files or activities.
Patching and Updates
- Stay informed about security updates and patches released by SoftMaker.
- Ensure timely installation of patches to address CVE-2020-13586 and other security vulnerabilities.