CVE-2019-17261 Explained : Impact and Mitigation

XnView Classic 2.49.1 allows a User Mode Write AV starting at Xwsq+0x0000000000001e51.

Understanding CVE-2019-17261

At the position Xwsq+0x0000000000001e51, XnView Classic 2.49.1 can trigger a User Mode Write AV.

What is CVE-2019-17261?

This CVE refers to a vulnerability in XnView Classic 2.49.1 that enables a User Mode Write AV at a specific memory location.

The Impact of CVE-2019-17261

The vulnerability could potentially be exploited by attackers to execute arbitrary code or crash the application, leading to a denial of service.

Technical Details of CVE-2019-17261

XnView Classic 2.49.1 is susceptible to a User Mode Write AV at a specific memory address.

Vulnerability Description

The issue allows an attacker to trigger a User Mode Write AV at the memory location Xwsq+0x0000000000001e51.

Affected Systems and Versions

Product: XnView Classic 2.49.1
Vendor: N/A
Version: N/A

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious input that triggers the User Mode Write AV at the specified memory address.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2019-17261.

Immediate Steps to Take

Update XnView Classic to the latest version to patch the vulnerability.
Avoid opening files from untrusted or unknown sources.
Monitor vendor communications for security advisories.

Long-Term Security Practices

Implement regular security updates and patches for all software.
Conduct security training for users to recognize and report suspicious activities.

Patching and Updates

Apply patches and updates provided by XnView promptly to address the vulnerability and enhance system security.