CVE-2021-41065 : What You Need to Know
Learn about CVE-2021-41065, a security vulnerability in Listary through version 6 allowing attackers to impersonate privileged users in certain Windows environments. Find out how to mitigate this risk.
An issue was discovered in Listary through 6 where an attacker can exploit a named pipe to impersonate a privileged user on certain Windows versions.
Understanding CVE-2021-41065
What is CVE-2021-41065?
Listary through 6 is vulnerable to a named pipe exploit allowing attackers to duplicate a victim's token and impersonate them in specific Windows configurations.
The Impact of CVE-2021-41065
The vulnerability enables attackers to elevate their privileges and potentially perform unauthorized actions on compromised systems, posing a serious security risk.
Technical Details of CVE-2021-41065
Vulnerability Description
- An attacker can create a named pipe in Listary through 6 that, when accessed, allows duplication of a victim's token for impersonation.
Affected Systems and Versions
- Listary through version 6 is affected by this vulnerability in certain Windows environments.
Exploitation Mechanism
- The attacker creates a specific named pipe that Listary accesses, enabling token replication for impersonation.
Mitigation and Prevention
Immediate Steps to Take
- Update Listary to the latest version to patch the vulnerability.
- Monitor systems for any unusual behavior or unauthorized access.
Long-Term Security Practices
- Implement the principle of least privilege to reduce the impact of potential attacks.
- Regularly educate users on safe computing practices to enhance overall security.
- Consider restricting named pipe access to trusted entities.
Patching and Updates
- Apply security updates promptly to ensure that known vulnerabilities are mitigated.