CVE-2021-46505 : What You Need to Know

Jsish v3.5.0 contains a stack overflow vulnerability via /usr/lib/x86_64-linux-gnu/libasan.so.4+0x5b1e5.

Understanding CVE-2021-46505

What is CVE-2021-46505?

Jsish v3.5.0 has been identified with a stack overflow vulnerability that can be exploited via a specific library path.

The Impact of CVE-2021-46505

This vulnerability may allow an attacker to execute arbitrary code or crash the application, potentially leading to a denial of service (DoS) condition.

Technical Details of CVE-2021-46505

Vulnerability Description

Jsish v3.5.0 is susceptible to a stack overflow, triggered by malformed input, that may result in unauthorized code execution or application crashes.

Affected Systems and Versions

Affected Version: Jsish v3.5.0

Exploitation Mechanism

The vulnerability occurs via the library path /usr/lib/x86_64-linux-gnu/libasan.so.4+0x5b1e5, potentially allowing an attacker to craft malicious inputs to exploit the stack overflow.

Mitigation and Prevention

Immediate Steps to Take

Consider limiting user inputs and validating data to prevent malicious input triggering the vulnerability.
Apply available patches or updates provided by the software vendor.

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities.
Implement secure coding practices to minimize the risk of buffer overflows and other memory-related vulnerabilities.
Perform security assessments and audits to identify and mitigate potential threats.
Monitor security mailing lists and sources for updates on vulnerabilities.
Consider utilizing security tools for code analysis and vulnerability detection.

Patching and Updates

It is essential to apply the latest patches and updates released by Jsish to address the stack overflow vulnerability in version 3.5.0.