CVE-2020-36404 : Exploit Details and Defense Strategies

Keystone Engine 0.9.2 has an invalid free in llvm_ks::SmallVectorImpl<llvm_ks::MCFixup>::~SmallVectorImpl.

Understanding CVE-2020-36404

This CVE involves a vulnerability in Keystone Engine 0.9.2 that leads to an invalid free operation.

What is CVE-2020-36404?

The vulnerability in Keystone Engine 0.9.2 results in an invalid free operation in llvm_ks::SmallVectorImpl<llvm_ks::MCFixup>::~SmallVectorImpl.

The Impact of CVE-2020-36404

The vulnerability could potentially be exploited by attackers to execute arbitrary code or cause a denial of service (DoS) condition.

Technical Details of CVE-2020-36404

This section provides more technical insights into the CVE.

Vulnerability Description

Keystone Engine 0.9.2 contains a flaw that allows an invalid free operation in llvm_ks::SmallVectorImpl<llvm_ks::MCFixup>::~SmallVectorImpl.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to trigger the invalid free operation, potentially leading to code execution or DoS attacks.

Mitigation and Prevention

Protecting systems from CVE-2020-36404 is crucial to maintaining security.

Immediate Steps to Take

Update Keystone Engine to a patched version that addresses the vulnerability.
Monitor for any unusual activities on the system that could indicate exploitation.

Long-Term Security Practices

Regularly update software and libraries to prevent known vulnerabilities.
Implement strong access controls and network segmentation to limit the impact of potential attacks.

Patching and Updates

Ensure that all software components, including Keystone Engine, are regularly patched and updated to mitigate the risk of known vulnerabilities.