CVE-2020-15294 : Exploit Details and Defense Strategies
Learn about CVE-2020-15294, a high-severity vulnerability in Bitdefender Hypervisor Introspection allowing arbitrary code execution. Find out how to mitigate this security risk.
A vulnerability in Bitdefender Hypervisor Introspection could allow an attacker to execute arbitrary code due to a race condition caused by multiple dereferences to the same pointer.
Understanding CVE-2020-15294
This CVE involves a Compiler Optimization Removal or Modification of Security-Critical Code vulnerability in Bitdefender Hypervisor Introspection.
What is CVE-2020-15294?
The vulnerability in IntPeParseUnwindData() may lead to a race condition where the generated code dereferences the same address twice, potentially resulting in arbitrary code execution.
The Impact of CVE-2020-15294
The vulnerability has a CVSS base score of 7.8, indicating a high severity issue with impacts on confidentiality, integrity, and availability. The attack complexity is low, and the attack vector is local.
Technical Details of CVE-2020-15294
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability arises from Compiler Optimization Removal or Modification of Security-Critical Code, leading to multiple dereferences to the same pointer.
Affected Systems and Versions
- Product: Hypervisor Introspection
- Vendor: Bitdefender
- Versions Affected: Prior to 1.132.2
Exploitation Mechanism
The issue occurs when the pointer is located in memory-mapped from the guest space, causing a race condition that may lead to arbitrary code execution.
Mitigation and Prevention
Protecting systems from CVE-2020-15294 is crucial for maintaining security.
Immediate Steps to Take
- Apply the security patch provided by Bitdefender to upgrade to Introcore 1.132.2.
- Monitor for any unusual activities on the affected systems.
Long-Term Security Practices
- Regularly update and patch all software to prevent vulnerabilities.
- Implement strong access controls and segmentation to limit the impact of potential attacks.
Patching and Updates
Ensure that all systems running Bitdefender Hypervisor Introspection are updated to version 1.132.2 to mitigate the vulnerability.