CVE-2017-10763 : Security Advisory and Response

XnView Classic for Windows Version 2.40 has a vulnerability that could lead to a denial of service or other consequences when processing a specially crafted .rle file.

Understanding CVE-2017-10763

This CVE entry highlights a security issue in XnView Classic for Windows Version 2.40 that could potentially be exploited by attackers.

What is CVE-2017-10763?

The vulnerability in XnView Classic for Windows Version 2.40 allows attackers to trigger a denial of service or other unspecified impacts by utilizing a malicious .rle file. The flaw is related to the manipulation of data from a specific address.

The Impact of CVE-2017-10763

The exploitation of this vulnerability could result in a denial of service condition or potentially lead to other unknown consequences, posing a risk to the affected systems.

Technical Details of CVE-2017-10763

This section delves into the technical aspects of the CVE entry.

Vulnerability Description

The issue in XnView Classic for Windows Version 2.40 arises when processing a specially crafted .rle file, allowing attackers to manipulate data from a specific address, potentially leading to a denial of service.

Affected Systems and Versions

Affected Product: XnView Classic for Windows Version 2.40
Affected Version: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by processing a malicious .rle file, enabling attackers to control branch selection starting at a specific address.

Mitigation and Prevention

Protecting systems from CVE-2017-10763 requires immediate actions and long-term security measures.

Immediate Steps to Take

Avoid opening untrusted .rle files in XnView Classic for Windows Version 2.40
Implement file type restrictions to prevent the processing of potentially malicious files

Long-Term Security Practices

Regularly update XnView Classic to the latest version to patch known vulnerabilities
Conduct security training to educate users on identifying and handling suspicious files

Patching and Updates

Ensure timely installation of patches and updates released by XnView Classic to address security vulnerabilities.