CVE-2017-15773 : Security Advisory and Response

XnView Classic for Windows Version 2.43 is vulnerable to a denial of service attack or potential unspecified consequences when processing a specially crafted .dwg file.

Understanding CVE-2017-15773

This CVE entry highlights a vulnerability in XnView Classic for Windows Version 2.43 that could lead to a denial of service attack or other unspecified impacts.

What is CVE-2017-15773?

The vulnerability in XnView Classic for Windows Version 2.43 allows attackers to exploit a specially crafted .dwg file, resulting in a denial of service or other potential consequences.

The Impact of CVE-2017-15773

The vulnerability can be exploited to trigger a denial of service attack or cause other unspecified impacts due to a specific issue in processing .dwg files.

Technical Details of CVE-2017-15773

XnView Classic for Windows Version 2.43 vulnerability details.

Vulnerability Description

The vulnerability is caused by a "Read Access Violation" triggered at CADImage+0x0000000000285d79 when processing a specially crafted .dwg file.

Affected Systems and Versions

Product: XnView Classic
Version: 2.43

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious .dwg file to trigger the "Read Access Violation" at CADImage+0x0000000000285d79.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2017-15773.

Immediate Steps to Take

Avoid opening or processing untrusted .dwg files.
Implement file type restrictions in email attachments and downloads.
Consider using alternative software until a patch is available.

Long-Term Security Practices

Regularly update XnView Classic to the latest version.
Educate users on safe file handling practices.
Monitor security advisories for patches and updates.

Patching and Updates

Check for patches or updates from the XnView Classic vendor.
Apply security patches promptly to mitigate the vulnerability.