CVE-2017-15242 : Vulnerability Insights and Analysis

CVE-2017-15242 was published on October 11, 2017, and relates to a vulnerability in IrfanView version 4.44 (32-bit) and the PDF plugin version 4.43. Attackers can exploit this vulnerability to execute unauthorized code or disrupt services by sending a manipulated .pdf file.

Understanding CVE-2017-15242

This section provides an overview of the vulnerability and its impact.

What is CVE-2017-15242?

The vulnerability in IrfanView version 4.44 and the PDF plugin version 4.43 allows attackers to execute arbitrary code or cause a denial of service by exploiting a specific memory address.

The Impact of CVE-2017-15242

The exploitation of this vulnerability can lead to unauthorized code execution or service disruption, posing a significant risk to affected systems.

Technical Details of CVE-2017-15242

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

Attackers can trigger a "User Mode Write AV" at the memory address PDF!xmlGetGlobalState+0x0000000000031abe by sending a crafted .pdf file.

Affected Systems and Versions

Product: IrfanView version 4.44 (32-bit)
PDF Plugin: Version 4.43

Exploitation Mechanism

The vulnerability is exploited by sending a manipulated .pdf file, which triggers the specific memory address vulnerability.

Mitigation and Prevention

Protecting systems from CVE-2017-15242 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable the PDF plugin in IrfanView if not essential
Implement file type restrictions for incoming emails
Monitor network traffic for suspicious activities

Long-Term Security Practices

Keep software and plugins updated
Conduct regular security assessments and penetration testing
Educate users on safe browsing habits

Patching and Updates

Apply patches and updates provided by IrfanView to address the vulnerability