CVE-2020-8099 : Exploit Details and Defense Strategies
Learn about CVE-2020-8099 affecting Bitdefender Antivirus Free. Discover the impact, affected versions, and mitigation steps for this privilege escalation vulnerability.
Bitdefender Antivirus Free prior to version 1.0.17 is affected by a vulnerability allowing an unprivileged user to substitute a quarantined file to a privileged location.
Understanding CVE-2020-8099
This CVE involves a privilege escalation vulnerability in Bitdefender Antivirus Free due to improper handling of junctions.
What is CVE-2020-8099?
The vulnerability in Bitdefender Antivirus Free allows an unprivileged user to manipulate quarantined files, potentially leading to privilege escalation.
The Impact of CVE-2020-8099
- CVSS Base Score: 7.1 (High Severity)
- Attack Vector: Physical
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: Low
- Privileges Required: Low
- User Interaction: Required
- Scope: Changed
Technical Details of CVE-2020-8099
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability arises from the improper handling of junctions in Bitdefender Antivirus Free, enabling unauthorized file restoration to privileged locations.
Affected Systems and Versions
- Affected Product: Bitdefender Antivirus Free
- Vendor: Bitdefender
- Versions Affected: Prior to 1.0.17
Exploitation Mechanism
The vulnerability allows an unprivileged user to substitute a quarantined file and restore it to a privileged location, potentially leading to privilege escalation.
Mitigation and Prevention
To address CVE-2020-8099, follow these mitigation strategies:
Immediate Steps to Take
- Update Bitdefender Antivirus Free to version 1.0.17 or higher.
Long-Term Security Practices
- Regularly update antivirus software to the latest versions.
- Implement least privilege access controls to limit user capabilities.
Patching and Updates
- Apply automated updates provided by Bitdefender to fix the vulnerability.