CVE-2022-33033 : Security Advisory and Response

LibreDWG v0.12.4.4608 was discovered to contain a double-free vulnerability via the function dwg_read_file at dwg.c.

Understanding CVE-2022-33033

This CVE highlights a double-free vulnerability in LibreDWG, version v0.12.4.4608.

What is CVE-2022-33033?

CVE-2022-33033 refers to a specific vulnerability in LibreDWG v0.12.4.4608 that allows attackers to trigger a double-free condition via the function dwg_read_file at dwg.c.

The Impact of CVE-2022-33033

This vulnerability could be exploited by malicious actors to potentially execute arbitrary code or cause a denial of service (DoS) on systems running the affected version of LibreDWG.

Technical Details of CVE-2022-33033

This section provides more insight into the vulnerability.

Vulnerability Description

The vulnerability in LibreDWG v0.12.4.4608 arises from a double-free issue triggered by the function dwg_read_file at dwg.c.

Affected Systems and Versions

The specific version affected by CVE-2022-33033 is LibreDWG v0.12.4.4608.

Exploitation Mechanism

Attackers can exploit this vulnerability by creating a specially crafted file that, when processed by the vulnerable function, leads to a double-free condition.

Mitigation and Prevention

Securing systems against CVE-2022-33033 is crucial to prevent potential exploitation.

Immediate Steps to Take

It is recommended to update LibreDWG to a non-vulnerable version or apply patches provided by the vendor.

Long-Term Security Practices

Implementing secure coding practices and conducting regular security assessments can help prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates for LibreDWG and promptly apply patches to mitigate the risks associated with CVE-2022-33033.