CVE-2019-6290 : What You Need to Know

A bug regarding infinite recursion has been identified in eval.c within Netwide Assembler (NASM) versions 2.14.02 and earlier. The vulnerability could allow malicious actors to launch a denial-of-service attack by using a manipulated asm file.

Understanding CVE-2019-6290

An infinite recursion issue in NASM versions 2.14.02 and earlier could lead to a denial-of-service attack.

What is CVE-2019-6290?

This CVE identifies an infinite recursion vulnerability in NASM that could be exploited by remote attackers to cause a denial-of-service.

The Impact of CVE-2019-6290

Malicious actors could exploit this vulnerability to launch denial-of-service attacks.

Technical Details of CVE-2019-6290

The technical aspects of the vulnerability in NASM.

Vulnerability Description

The issue arises from excessive stacking due to infinite recursion in specific functions under certain conditions involving a large number of '{' characters.

Affected Systems and Versions

Netwide Assembler (NASM) versions 2.14.02 and earlier.

Exploitation Mechanism

Remote attackers could leverage the infinite recursion to cause a denial-of-service via a crafted asm file.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2019-6290.

Immediate Steps to Take

Update NASM to a patched version that addresses the infinite recursion issue.
Avoid running untrusted asm files.

Long-Term Security Practices

Regularly update software to the latest versions to patch known vulnerabilities.
Implement code review processes to catch recursion issues early.

Patching and Updates

Apply patches provided by NASM to fix the infinite recursion problem.