CVE-2020-0979 : Exploit Details and Defense Strategies
Learn about CVE-2020-0979, a critical remote code execution vulnerability in Microsoft Excel software that could allow attackers to execute arbitrary code remotely. Take immediate steps to mitigate the risk and ensure long-term security.
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'.
Understanding CVE-2020-0979
This CVE involves a critical vulnerability in Microsoft Excel that could allow remote code execution on the affected systems.
What is CVE-2020-0979?
- Type: Remote Code Execution
- Affected Product: Office 365 ProPlus
- Vendor: Microsoft
- Versions: 32-bit Systems, 64-bit Systems
The Impact of CVE-2020-0979
The vulnerability poses a serious risk as an attacker could exploit it to execute arbitrary code remotely.
Technical Details of CVE-2020-0979
This section provides in-depth technical information about the vulnerability.
Vulnerability Description
The vulnerability arises due to Microsoft Excel's improper handling of objects in memory, enabling remote code execution.
Affected Systems and Versions
- Product: Office 365 ProPlus
- Versions: 32-bit Systems, 64-bit Systems
Exploitation Mechanism
The vulnerability allows attackers to craft malicious Excel files that, when opened by a user, trigger the execution of arbitrary code.
Mitigation and Prevention
Protective measures and best practices to address CVE-2020-0979.
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly.
- Educate users about cautious handling of Excel files from untrusted sources.
Long-Term Security Practices
- Implement regular security training for employees on phishing and social engineering.
- Employ strong email filtering to detect and block malicious attachments.
Patching and Updates
- Regularly update Microsoft Excel and Office 365 ProPlus to the latest versions for enhanced security.