CVE-2017-10740 : What You Need to Know

XnView Classic for Windows Version 2.40 is susceptible to a vulnerability that allows attackers to execute unauthorized code or disrupt system functionality by introducing a manipulated .rle file.

Understanding CVE-2017-10740

This CVE entry was published on July 5, 2017, and poses a threat to systems running XnView Classic for Windows Version 2.40.

What is CVE-2017-10740?

The vulnerability in XnView Classic for Windows Version 2.40 enables attackers to execute arbitrary code or cause a denial of service by exploiting a crafted .rle file.

The Impact of CVE-2017-10740

Attackers can exploit this vulnerability to execute unauthorized code or disrupt system functionality, posing a significant security risk to affected systems.

Technical Details of CVE-2017-10740

XnView Classic for Windows Version 2.40 vulnerability details.

Vulnerability Description

The security flaw allows attackers to execute unauthorized code or disrupt system functionality by introducing a manipulated .rle file.

Affected Systems and Versions

Product: XnView Classic for Windows Version 2.40
Vendor: N/A
Version: N/A

Exploitation Mechanism

The vulnerability is triggered when a manipulated .rle file is introduced, specifically involving a "User Mode Write AV starting at ntdll_77df0000!RtlRbInsertNodeEx+0x000000000000002d."

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2017-10740.

Immediate Steps to Take

Update XnView Classic to a patched version if available.
Avoid opening or interacting with suspicious .rle files.
Implement file type restrictions in email and web filters.

Long-Term Security Practices

Regularly update software and operating systems.
Educate users on recognizing and avoiding phishing emails.
Employ intrusion detection and prevention systems.

Patching and Updates

Check for security patches and updates from XnView Classic's official sources.
Apply patches promptly to ensure system security.