CVE-2023-33865 : What You Need to Know
Learn about CVE-2023-33865, a local privilege escalation vulnerability in RenderDoc software before 1.27. Understand the impact, affected versions, and mitigation steps.
A local privilege escalation vulnerability, CVE-2023-33865 in RenderDoc before version 1.27, allows attackers to escalate privileges via a symlink attack. This CVE was published on June 7, 2023, by MITRE.
Understanding CVE-2023-33865
RenderDoc version 1.27 and earlier are affected by a local privilege escalation vulnerability due to reliance on the /tmp/RenderDoc directory regardless of ownership.
What is CVE-2023-33865?
CVE-2023-33865 is a security vulnerability in RenderDoc software that allows local users to escalate privileges through a symlink attack. Attackers can exploit this to gain higher privileges on the system.
The Impact of CVE-2023-33865
The impact of this vulnerability is that local users can exploit it to escalate their privileges on the system, potentially leading to unauthorized access to sensitive information or further system compromise.
Technical Details of CVE-2023-33865
RenderDoc versions before 1.27 are susceptible to a local privilege escalation vulnerability due to improper handling of symlinks in the /tmp/RenderDoc directory.
Vulnerability Description
The vulnerability arises from reliance on the /tmp/RenderDoc directory without proper owner verification, allowing attackers to create symlinks and escalate their privileges.
Affected Systems and Versions
All versions of RenderDoc before 1.27 are affected by CVE-2023-33865.
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging symlink attacks to gain unauthorized privileges in the system.
Mitigation and Prevention
To mitigate the risks associated with CVE-2023-33865, users are recommended to take immediate action and follow security best practices.
Immediate Steps to Take
- Users should update RenderDoc to version 1.27 or newer to address this vulnerability.
- Avoid running RenderDoc in environments where untrusted users have access.
- Monitor system logs for any unusual symlink activities.
Long-Term Security Practices
- Regularly update software and apply security patches promptly.
- Follow the principle of least privilege to restrict user access and permissions.
- Educate users about symlink attacks and privilege escalation techniques.
Patching and Updates
Ensure that RenderDoc is regularly updated to the latest version to patch any known vulnerabilities and enhance overall system security.