CVE-2020-0938 : Security Advisory and Response
Learn about CVE-2020-0938, a remote code execution vulnerability in Microsoft Windows due to a flaw in the Adobe Type Manager Library, allowing attackers to execute code remotely. Take immediate steps to disable relevant Windows Explorer panes and avoid opening suspicious files.
A remote code execution vulnerability exists in Microsoft Windows when the Windows Adobe Type Manager Library improperly handles a specially-crafted multi-master font - Adobe Type 1 PostScript format.
Understanding CVE-2020-0938
What is CVE-2020-0938?
A remote code execution vulnerability exists in Microsoft Windows due to a flaw in the Adobe Type Manager Library handling certain fonts, allowing attackers to execute code remotely.
The Impact of CVE-2020-0938
This vulnerability can be exploited by attackers to execute code remotely on affected systems.
Technical Details of CVE-2020-0938
Vulnerability Description
The vulnerability arises from the mishandling of multi-master fonts by the Adobe Type Manager Library.
Affected Systems and Versions
- Windows 7, 8.1, 10, and various server versions are affected, including different architectures and service pack levels.
Exploitation Mechanism
- Attackers can exploit the vulnerability by convincing a user to open a specially crafted document or view it in the Windows Preview pane.
Mitigation and Prevention
Immediate Steps to Take
- Disable the Preview Pane and Details Pane in Windows Explorer.
- Avoid opening untrusted documents or files.
Long-Term Security Practices
- Regularly update to the latest versions of Windows and applications.
- Implement strong firewall and antivirus solutions.
- Educate users on safe browsing habits and suspicious file handling.
Patching and Updates
- Apply security updates from Microsoft promptly to mitigate the vulnerability.