CVE-2021-45846 Explained : Impact and Mitigation
Learn about CVE-2021-45846, a vulnerability in Slic3r libslic3r 1.3.0 AMF parser enabling application crashes through crafted documents. Find mitigation steps and affected versions.
Slic3r libslic3r 1.3.0 AMF Parser Flaw
Understanding CVE-2021-45846
What is CVE-2021-45846?
A flaw in the AMF parser of Slic3r libslic3r 1.3.0 allows an attacker to crash an application by utilizing a malicious AMF document.
The Impact of CVE-2021-45846
This vulnerability enables attackers to cause application crashes by exploiting a missing "type" attribute in a metadata tag within a crafted AMF document.
Technical Details of CVE-2021-45846
Vulnerability Description
The vulnerability in the AMF parser of Slic3r libslic3r 1.3.0 allows for application crashes when processing AMF documents with inadequate metadata tags.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Versions: 1.3.0
Exploitation Mechanism
Attackers can exploit this vulnerability by using a specially crafted AMF document that lacks a necessary "type" attribute in a metadata tag.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor-provided patches or updates promptly.
- Deploy network-level protections to filter out malicious AMF documents.
Long-Term Security Practices
- Regularly update software and libraries to patched versions.
- Perform security audits to identify and address potential vulnerabilities.
Patching and Updates
Ensure that Slic3r libslic3r is updated to a version that addresses the AMF parser vulnerability.