CVE-2020-15890 : What You Need to Know

LuaJit through 2.1.0-beta3 has an out-of-bounds read due to mishandling of the __gc handler frame traversal.

Understanding CVE-2020-15890

LuaJit through version 2.1.0-beta3 is vulnerable to an out-of-bounds read issue.

What is CVE-2020-15890?

This CVE describes a vulnerability in LuaJit where the __gc handler frame traversal is mishandled, leading to an out-of-bounds read.

The Impact of CVE-2020-15890

The vulnerability could be exploited by an attacker to read sensitive information from memory, potentially leading to a security breach.

Technical Details of CVE-2020-15890

LuaJit through version 2.1.0-beta3 is affected by this vulnerability.

Vulnerability Description

The issue arises from the mishandling of the __gc handler frame traversal, resulting in an out-of-bounds read.

Affected Systems and Versions

Product: LuaJit
Vendor: N/A
Versions: All versions up to and including 2.1.0-beta3

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to access sensitive data through the mishandled __gc handler frame traversal.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Apply the security update provided by the vendor promptly.
Monitor for any unusual activities on the system that could indicate exploitation.

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities.
Implement strong access controls and monitoring mechanisms to detect and prevent unauthorized access.

Patching and Updates

Ensure that the latest security updates and patches are applied to the LuaJit software to address this vulnerability.