CVE-2018-14043 : Security Advisory and Response
Learn about CVE-2018-14043 affecting mstdlib 1.2.0. Find out how attackers can exploit file access control flaw to gain unauthorized data access and steps to mitigate the vulnerability.
The version 1.2.0 of mstdlib (M Standard Library for C) has a file access control flaw that can be exploited by attackers to gain unauthorized access to data.
Understanding CVE-2018-14043
What is CVE-2018-14043?
mstdlib 1.2.0 has an issue in file access control during file deletion, allowing unauthorized access.
The Impact of CVE-2018-14043
Exploiting this vulnerability can lead to unauthorized access to sensitive data by creating a file.
Technical Details of CVE-2018-14043
Vulnerability Description
The flaw occurs in the M_fs_perms_can_access function during file deletion without proper access control.
Affected Systems and Versions
- Product: mstdlib (M Standard Library for C)
- Version: 1.2.0
Exploitation Mechanism
- Attackers can exploit the vulnerability by creating a file and gaining unauthorized access to its data.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest patches and updates from the vendor.
- Monitor file access and permissions closely.
Long-Term Security Practices
- Implement least privilege access controls.
- Regularly review and update file access permissions.
Patching and Updates
- Stay informed about security updates and apply them promptly.