CVE-2017-10746 Explained : Impact and Mitigation
Learn about CVE-2017-10746, a vulnerability in XnView Classic for Windows Version 2.40 that allows attackers to execute code via a modified .rle file. Find out the impact, affected systems, and mitigation steps.
XnView Classic for Windows Version 2.40 has a vulnerability that can be exploited by attackers to execute code or disrupt the system by using a modified .rle file. This vulnerability is associated with a specific memory address in the ntdll.dll library, where a User Mode Write access violation occurs at the RtlEnterCriticalSection function.
Understanding CVE-2017-10746
This CVE entry describes a security vulnerability in XnView Classic for Windows Version 2.40 that allows attackers to execute arbitrary code or cause a denial of service through a crafted .rle file.
What is CVE-2017-10746?
CVE-2017-10746 is a vulnerability in XnView Classic for Windows Version 2.40 that enables attackers to execute malicious code or disrupt the system using a specially crafted .rle file.
The Impact of CVE-2017-10746
The vulnerability can lead to unauthorized code execution or system disruption, posing a significant security risk to affected systems.
Technical Details of CVE-2017-10746
XnView Classic for Windows Version 2.40 is susceptible to the following:
Vulnerability Description
- Attackers can exploit the vulnerability by using a modified .rle file to execute code or disrupt the system.
- The issue is related to a specific memory address in the ntdll.dll library, causing a User Mode Write access violation at the RtlEnterCriticalSection function.
Affected Systems and Versions
- Product: XnView Classic for Windows Version 2.40
- Vendor: N/A
- Versions: N/A
Exploitation Mechanism
- Attackers can exploit the vulnerability by manipulating a .rle file to trigger the User Mode Write access violation in the ntdll.dll library.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of CVE-2017-10746:
Immediate Steps to Take
- Avoid opening or interacting with untrusted .rle files.
- Implement security measures to restrict file execution permissions.
- Consider using alternative software until a patch is available.
Long-Term Security Practices
- Regularly update software and apply security patches.
- Conduct security training to educate users on identifying and handling suspicious files.
Patching and Updates
- Stay informed about security advisories and patches released by XnView to address CVE-2017-10746.