CVE-2018-12933 : Security Advisory and Response

A vulnerability in the enhmetafile.c file of Wine version 3.7, known as PlayEnhMetaFileRecord, can be exploited for a denial-of-service attack through an out-of-bounds write.

Understanding CVE-2018-12933

This CVE involves a vulnerability in Wine version 3.7 that can be exploited for a denial-of-service attack.

What is CVE-2018-12933?

The vulnerability in the enhmetafile.c file of Wine version 3.7, known as PlayEnhMetaFileRecord, allows malicious actors to trigger a denial-of-service attack through an out-of-bounds write. The attacker gains control over the array index ihPen within the pCreatePen structure.

The Impact of CVE-2018-12933

The extent of the impact is not specified, but it is crucial to address this vulnerability promptly to prevent potential unknown consequences.

Technical Details of CVE-2018-12933

This section provides technical details of the CVE.

Vulnerability Description

PlayEnhMetaFileRecord in enhmetafile.c in Wine 3.7 allows attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact because the attacker controls the pCreatePen->ihPen array index.

Affected Systems and Versions

Product: n/a
Vendor: n/a
Version: 3.7

Exploitation Mechanism

The vulnerability can be exploited by manipulating the ihPen array index within the pCreatePen structure.

Mitigation and Prevention

Protect your systems from CVE-2018-12933 with these steps:

Immediate Steps to Take

Apply the latest patches and updates from Wine.
Monitor security advisories for any new information or patches related to this vulnerability.

Long-Term Security Practices

Implement strong access controls and authentication mechanisms.
Regularly conduct security assessments and audits to identify and address vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by Wine to address CVE-2018-12933.