Learn about CVE-2017-15777 affecting XnView Classic for Windows Version 2.43. Attackers can exploit a vulnerability in .dwg files to run arbitrary code or disrupt services.
XnView Classic for Windows Version 2.43 allows attackers to execute arbitrary code or cause a denial of service via a crafted .dwg file. This vulnerability can be exploited by using a malicious .dwg file to trigger a "User Mode Write AV" near the NULL address.
Understanding CVE-2017-15777
This CVE entry describes a security vulnerability in XnView Classic for Windows Version 2.43 that could lead to arbitrary code execution or service disruption.
What is CVE-2017-15777?
The vulnerability in XnView Classic for Windows Version 2.43 allows attackers to run arbitrary code or disrupt services by exploiting a flaw in handling .dwg files.
The Impact of CVE-2017-15777
Exploiting this vulnerability could result in attackers executing arbitrary code on the affected system or causing a denial of service.
Technical Details of CVE-2017-15777
XnView Classic for Windows Version 2.43 is susceptible to a specific type of attack through crafted .dwg files.
Vulnerability Description
Attackers can exploit this vulnerability to trigger a "User Mode Write AV" near the NULL address, potentially leading to arbitrary code execution or service disruption.
Affected Systems and Versions
Exploitation Mechanism
The vulnerability can be exploited by using a malicious .dwg file to initiate a "User Mode Write AV" near the NULL address, starting at CADImage+0x0000000000288750.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2017-15777.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Stay informed about security updates and patches released by XnView Classic for Windows to address CVE-2017-15777.