CVE-2021-45847 : Vulnerability Insights and Analysis

Slic3r libslic3r 1.3.0 is affected by several missing input validations in the 3MF parser component, potentially enabling attackers to crash the application by using a specially crafted 3MF input file.

Understanding CVE-2021-45847

What is CVE-2021-45847?

The CVE-2021-45847 vulnerability involves missing input validations in the 3MF parser component of Slic3r libslic3r 1.3.0, which could be exploited to trigger an application crash.

The Impact of CVE-2021-45847

The vulnerability could allow an attacker to deliberately crash the application by manipulating a specially crafted 3MF input file.

Technical Details of CVE-2021-45847

Vulnerability Description

An absence of input validations in the 3MF parser of Slic3r libslic3r 1.3.0 may permit attackers to induce an application crash by using a malicious 3MF input file.

Affected Systems and Versions

Product: N/A
Vendor: N/A
Version: N/A (libslic3r 1.3.0)

Exploitation Mechanism

Attackers can exploit the missing input validations in the 3MF parser component by crafting a malicious 3MF input file that triggers a crash in the application.

Mitigation and Prevention

Immediate Steps to Take

Update Slic3r libslic3r to the latest version to address the vulnerability.
Avoid opening 3MF files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software components to ensure the latest security patches are applied.
Implement input validation mechanisms to prevent similar vulnerabilities in the future.

Patching and Updates

Apply patches provided by the Slic3r development team to fix the input validation issues in the 3MF parser component.