CVE-2017-15778 : Security Advisory and Response

XnView Classic for Windows Version 2.43 allows attackers to cause a denial of service or potentially have other unspecified impacts through a manipulated .dwg file.

Understanding CVE-2017-15778

This CVE entry describes a vulnerability in XnView Classic for Windows Version 2.43 that can be exploited by attackers to trigger a denial of service attack.

What is CVE-2017-15778?

The vulnerability in XnView Classic for Windows Version 2.43 allows attackers to exploit a manipulated .dwg file to initiate a denial of service or potentially cause other unmentioned effects.

The Impact of CVE-2017-15778

The vulnerability can lead to a denial of service attack or other unspecified impacts when a crafted .dwg file is used, triggering a "Read Access Violation" starting at CADImage+0x0000000000285de7.

Technical Details of CVE-2017-15778

XnView Classic for Windows Version 2.43 is susceptible to the following:

Vulnerability Description

Attackers can exploit a manipulated .dwg file to cause a denial of service or other unspecified effects.

Affected Systems and Versions

Product: XnView Classic for Windows Version 2.43
Vendor: N/A
Version: N/A

Exploitation Mechanism

The vulnerability is triggered by a manipulated .dwg file, leading to a "Read Access Violation" at CADImage+0x0000000000285de7.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2017-15778:

Immediate Steps to Take

Avoid opening or interacting with untrusted .dwg files.
Implement file type restrictions and content filtering mechanisms.
Regularly update XnView Classic to the latest version.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Educate users on safe browsing habits and file handling procedures.

Patching and Updates

Apply patches and updates provided by XnView Classic promptly to address the vulnerability.