CVE-2020-23558 : Security Advisory and Response

IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!ShowPlugInSaveOptions_W+0x0000000000007f4b.

Understanding CVE-2020-23558

This CVE involves a vulnerability in IrfanView 4.54 that can lead to a user-mode write access violation.

What is CVE-2020-23558?

The vulnerability in IrfanView 4.54 allows an attacker to trigger a user-mode write access violation at a specific memory location.

The Impact of CVE-2020-23558

The vulnerability could potentially be exploited by an attacker to execute arbitrary code or crash the application, leading to a denial of service.

Technical Details of CVE-2020-23558

This section provides more technical insights into the CVE.

Vulnerability Description

IrfanView 4.54 is susceptible to a user-mode write access violation triggered at FORMATS!ShowPlugInSaveOptions_W+0x0000000000007f4b.

Affected Systems and Versions

Product: n/a
Vendor: n/a
Version: n/a

Exploitation Mechanism

The vulnerability can be exploited by an attacker to manipulate memory and potentially execute malicious code.

Mitigation and Prevention

Protecting systems from CVE-2020-23558 is crucial to maintaining security.

Immediate Steps to Take

Update IrfanView to the latest version or apply patches provided by the vendor.
Avoid opening files from untrusted or unknown sources.
Monitor for any unusual system behavior that could indicate exploitation.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Implement strong access controls and user permissions to limit the impact of potential attacks.

Patching and Updates

Stay informed about security updates for IrfanView and apply them promptly to mitigate the risk of exploitation.