CVE-2020-12463 : Security Advisory and Response
Learn about CVE-2020-12463, an elevation of privilege vulnerability in Avira Software Updater before 2.0.6.27476, enabling local users to take control of arbitrary files. Find out how to mitigate and prevent this security risk.
An elevation of privilege vulnerability exists in Avira Software Updater before 2.0.6.27476 due to improperly handling file hard links, allowing local users to take control of arbitrary files.
Understanding CVE-2020-12463
This CVE identifies a specific vulnerability in Avira Software Updater that can lead to an elevation of privilege.
What is CVE-2020-12463?
This CVE refers to a security flaw in Avira Software Updater that enables local users to gain control over arbitrary files by exploiting the mishandling of file hard links.
The Impact of CVE-2020-12463
The vulnerability poses a significant risk as it allows unauthorized users to escalate their privileges and potentially access sensitive information or manipulate critical files on the system.
Technical Details of CVE-2020-12463
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The flaw in Avira Software Updater before version 2.0.6.27476 arises from the incorrect handling of file hard links, which can be exploited by local users to take control of files.
Affected Systems and Versions
- Affected Product: Avira Software Updater
- Vulnerable Version: Before 2.0.6.27476
Exploitation Mechanism
The vulnerability is exploited by manipulating file hard links, allowing local users to gain unauthorized control over arbitrary files on the system.
Mitigation and Prevention
Protecting systems from CVE-2020-12463 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Avira Software Updater to version 2.0.6.27476 or later to mitigate the vulnerability.
- Monitor system logs for any suspicious activities related to file access and privilege escalation.
Long-Term Security Practices
- Implement the principle of least privilege to restrict user access rights and minimize the impact of potential privilege escalation attacks.
- Regularly review and update security configurations to address emerging threats and vulnerabilities.
Patching and Updates
- Stay informed about security updates and patches released by Avira to address known vulnerabilities and enhance system security.