CVE-2020-19467 : Vulnerability Insights and Analysis

An issue has been found in function DCTStream::transformDataUnit in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to an Illegal Use After Free.

Understanding CVE-2020-19467

This CVE involves a vulnerability in PDF2JSON 0.70 that can be exploited to trigger a Denial of Service attack.

What is CVE-2020-19467?

The vulnerability in function DCTStream::transformDataUnit in PDF2JSON 0.70 enables attackers to execute a Denial of Service attack by exploiting an Illegal Use After Free.

The Impact of CVE-2020-19467

The exploitation of this vulnerability can lead to a Denial of Service condition, potentially disrupting the availability of the affected system.

Technical Details of CVE-2020-19467

This section provides technical details about the vulnerability.

Vulnerability Description

The issue lies in the function DCTStream::transformDataUnit in PDF2JSON 0.70, allowing attackers to exploit an Illegal Use After Free, leading to a Denial of Service.

Affected Systems and Versions

Affected Product: PDF2JSON 0.70
Affected Version: n/a

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the DCTStream::transformDataUnit function in PDF2JSON 0.70 to trigger a Denial of Service attack.

Mitigation and Prevention

Protecting systems from CVE-2020-19467 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches or updates provided by the vendor promptly.
Consider implementing network-level protections to mitigate potential attacks targeting this vulnerability.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and audits to identify and remediate weaknesses in the system.

Patching and Updates

Ensure that PDF2JSON is updated to a secure version that addresses the vulnerability to prevent exploitation.