CVE-2017-10749 : Exploit Details and Defense Strategies
Learn about CVE-2017-10749 affecting XnView Classic for Windows Version 2.40. Attackers can execute unauthorized code or cause denial of service via a crafted .rle file. Find mitigation steps here.
XnView Classic for Windows Version 2.40 is susceptible to a vulnerability that allows attackers to execute unauthorized code or trigger a denial of service by exploiting a specially crafted .rle file. The issue stems from a null pointer reference, leading to a write access violation in user mode.
Understanding CVE-2017-10749
This CVE entry highlights a security flaw in XnView Classic for Windows Version 2.40 that can be exploited by attackers to carry out malicious activities.
What is CVE-2017-10749?
The vulnerability in XnView Classic for Windows Version 2.40 enables attackers to execute arbitrary code or disrupt services through a crafted .rle file, linked to a specific location triggering a User Mode Write AV near NULL.
The Impact of CVE-2017-10749
The vulnerability allows attackers to execute unauthorized code or cause a denial of service, posing a significant risk to affected systems.
Technical Details of CVE-2017-10749
XnView Classic for Windows Version 2.40 vulnerability details and exploitation mechanisms.
Vulnerability Description
The issue arises from a null pointer reference, resulting in a write access violation in user mode when encountering a specially crafted .rle file.
Affected Systems and Versions
- Product: XnView Classic for Windows Version 2.40
- Vendor: N/A
- Versions: N/A
Exploitation Mechanism
Attackers exploit a specially crafted .rle file to trigger the vulnerability, leading to unauthorized code execution or denial of service.
Mitigation and Prevention
Protective measures to address CVE-2017-10749.
Immediate Steps to Take
- Avoid opening untrusted .rle files or files from unknown sources.
- Implement file type restrictions and content filtering to prevent malicious file execution.
- Consider using alternative software until a patch is available.
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
Stay informed about security updates and apply patches promptly to mitigate the risk of exploitation.