CVE-2020-28590 : What You Need to Know

Slic3r software versions 1.3.0 and Master Commit 92abbc42 are affected by an out-of-bounds read vulnerability in the Obj File TriangleMesh::TriangleMesh() function. This vulnerability could be exploited by a specially crafted obj file to disclose sensitive information.

Understanding CVE-2020-28590

This CVE involves an out-of-bounds read vulnerability in Slic3r software versions 1.3.0 and Master Commit 92abbc42.

What is CVE-2020-28590?

The vulnerability allows an attacker to trigger an out-of-bounds read by providing a malicious obj file, potentially leading to information disclosure.

The Impact of CVE-2020-28590

CVSS Base Score: 8.6 (High)
Attack Vector: Network
Attack Complexity: Low
Confidentiality Impact: High
Integrity Impact: None
Privileges Required: None
User Interaction: None
Scope: Changed
Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Technical Details of CVE-2020-28590

Slic3r software versions 1.3.0 and Master Commit 92abbc42 are susceptible to an out-of-bounds read vulnerability.

Vulnerability Description

The vulnerability exists in the Obj File TriangleMesh::TriangleMesh() function, allowing an attacker to read beyond the bounds of allocated memory.

Affected Systems and Versions

Product: Slic3r
Versions: Slic3r libslic3r 1.3.0, Slic3r libslic3r Master Commit 92abbc42

Exploitation Mechanism

An attacker can exploit this vulnerability by providing a specially crafted obj file to trigger the out-of-bounds read.

Mitigation and Prevention

To address CVE-2020-28590, follow these steps:

Immediate Steps to Take

Update Slic3r software to a patched version.
Avoid opening obj files from untrusted sources.

Long-Term Security Practices

Regularly update software and apply security patches.
Conduct security assessments to identify and mitigate vulnerabilities.

Patching and Updates

Ensure timely installation of software updates and security patches to protect against known vulnerabilities.