CVE-2017-15246 Explained : Impact and Mitigation

CVE-2017-15246 was published on October 11, 2017, and involves a vulnerability in IrfanView version 4.44 (32bit) and PDF plugin version 4.43 that allows attackers to execute unauthorized code or launch a denial of service attack using a manipulated .pdf file.

Understanding CVE-2017-15246

This CVE entry highlights a critical security issue in IrfanView and its PDF plugin, potentially leading to severe consequences if exploited.

What is CVE-2017-15246?

The vulnerability in IrfanView version 4.44 and PDF plugin version 4.43 allows threat actors to execute arbitrary code or trigger a denial of service by exploiting a specific flaw related to a "Read Access Violation on Block Data Move starting at PDF!xmlListWalk+0x000000000001515b."

The Impact of CVE-2017-15246

The presence of this vulnerability poses a significant risk as attackers can exploit it to achieve unauthorized code execution or disrupt services through a crafted .pdf file.

Technical Details of CVE-2017-15246

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The flaw in IrfanView and the PDF plugin enables attackers to carry out unauthorized code execution or initiate a denial of service attack by utilizing a manipulated .pdf file.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: IrfanView version 4.44 (32bit) and PDF plugin version 4.43

Exploitation Mechanism

The vulnerability can be exploited by utilizing a manipulated .pdf file, leveraging a specific flaw related to a "Read Access Violation on Block Data Move starting at PDF!xmlListWalk+0x000000000001515b."

Mitigation and Prevention

Protecting systems from CVE-2017-15246 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update IrfanView and the PDF plugin to the latest versions.
Avoid opening suspicious or untrusted .pdf files.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Educate users on safe browsing habits and email security.
Monitor network traffic for any unusual patterns or activities.

Patching and Updates

Ensure timely patching of software and plugins to address known vulnerabilities and enhance overall system security.