CVE-2017-10743 : Security Advisory and Response

XnView Classic for Windows Version 2.40 allows attackers to execute unauthorized code or disrupt the software's functioning by using a specifically crafted .rle file.

Understanding CVE-2017-10743

In this CVE, attackers can exploit a vulnerability in XnView Classic for Windows Version 2.40 to execute arbitrary code or cause a denial of service.

What is CVE-2017-10743?

This CVE is associated with a "Stack Buffer Overrun (/GS Exception) starting at ntdll_77df0000!LdrpInitializeNode+0x000000000000015b."

The Impact of CVE-2017-10743

The vulnerability allows attackers to execute unauthorized code or disrupt the functioning of the software, potentially leading to system compromise or denial of service.

Technical Details of CVE-2017-10743

XnView Classic for Windows Version 2.40 is susceptible to exploitation through a crafted .rle file.

Vulnerability Description

Attackers can exploit a stack buffer overrun vulnerability to execute arbitrary code or cause a denial of service.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by using a specifically crafted .rle file to trigger the stack buffer overrun.

Mitigation and Prevention

To address CVE-2017-10743, users and organizations should take immediate and long-term security measures.

Immediate Steps to Take

Avoid opening or interacting with untrusted .rle files.
Update XnView Classic to the latest version or apply patches if available.

Long-Term Security Practices

Regularly update software and operating systems to patch known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Check for security updates from XnView Classic's official sources.
Apply patches promptly to mitigate the risk of exploitation.