CVE-2019-13046 Explained : Impact and Mitigation
Learn about CVE-2019-13046 affecting ToaruOS up to version 1.10.9. Understand the impact, affected systems, exploitation risks, and mitigation steps to secure your environment.
ToaruOS up to version 1.10.9 has an insecure handling of LD_LIBRARY_PATH in setuid applications.
Understanding CVE-2019-13046
What is CVE-2019-13046?
Linker/linker.c in ToaruOS through version 1.10.9 exhibits insecure LD_LIBRARY_PATH handling in setuid applications.
The Impact of CVE-2019-13046
This vulnerability could allow attackers to manipulate the library loading path, leading to unauthorized access or privilege escalation.
Technical Details of CVE-2019-13046
Vulnerability Description
The handling of LD_LIBRARY_PATH in setuid applications in linker/linker.c of ToaruOS up to version 1.10.9 is insecure.
Affected Systems and Versions
- Product: ToaruOS
- Version: up to 1.10.9
Exploitation Mechanism
Attackers can exploit this vulnerability to control the library loading path, potentially gaining unauthorized access or escalating privileges.
Mitigation and Prevention
Immediate Steps to Take
- Avoid running setuid applications with LD_LIBRARY_PATH set
- Regularly monitor and audit setuid applications
Long-Term Security Practices
- Implement the principle of least privilege
- Conduct regular security assessments and code reviews
Patching and Updates
Apply patches provided by ToaruOS to address this vulnerability.