CVE-2017-15803 : Security Advisory and Response
Learn about CVE-2017-15803, a vulnerability in XnView Classic for Windows Version 2.43 that can lead to a denial of service or other unspecified impacts. Find out how to mitigate and prevent exploitation.
XnView Classic for Windows Version 2.43 is susceptible to a vulnerability that can lead to a denial of service or potentially exploit other consequences when a malicious .dll file is mishandled during an operation to display the DLL icon.
Understanding CVE-2017-15803
This CVE entry describes a vulnerability in XnView Classic for Windows Version 2.43 that could be exploited by attackers to cause a denial of service or other unspecified impacts.
What is CVE-2017-15803?
The vulnerability in XnView Classic for Windows Version 2.43 allows attackers to trigger a denial of service or potentially exploit other unspecified consequences by mishandling a malicious .dll file during an operation to display the DLL icon.
The Impact of CVE-2017-15803
The vulnerability can have serious consequences, potentially leading to a denial of service or other unspecified impacts on systems running XnView Classic for Windows Version 2.43.
Technical Details of CVE-2017-15803
This section provides more technical details about the vulnerability.
Vulnerability Description
The issue is related to mishandling a malicious .dll file during an operation to display the DLL icon, specifically involving the use of "Data from Faulting Address" as arguments in a subsequent Function Call starting at ntdll_77310000!LdrpResCompareResourceNames+0x0000000000000150.
Affected Systems and Versions
- Product: XnView Classic for Windows Version 2.43
- Vendor: N/A
- Versions: N/A
Exploitation Mechanism
Attackers can exploit this vulnerability by utilizing a crafted .dll file that is mishandled during an attempt to render the DLL icon.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Implement security measures to prevent the mishandling of .dll files.
- Regularly update XnView Classic for Windows to the latest version.
Long-Term Security Practices
- Conduct regular security assessments and audits to identify vulnerabilities.
- Educate users on safe browsing habits and the importance of software updates.
Patching and Updates
Ensure that XnView Classic for Windows is regularly patched and updated to mitigate the risk of exploitation.