CVE-2020-23879 : Exploit Details and Defense Strategies

pdf2json v0.71 was discovered to contain a NULL pointer dereference in the component ObjectStream::getObject.

Understanding CVE-2020-23879

pdf2json v0.71 has a vulnerability that leads to a NULL pointer dereference in the ObjectStream::getObject component.

What is CVE-2020-23879?

CVE-2020-23879 is a vulnerability found in pdf2json v0.71 that allows for a NULL pointer dereference in the ObjectStream::getObject component.

The Impact of CVE-2020-23879

This vulnerability could potentially lead to a denial of service (DoS) condition or other impacts on systems using pdf2json v0.71.

Technical Details of CVE-2020-23879

pdf2json v0.71 has a specific vulnerability that can be exploited under certain conditions.

Vulnerability Description

The vulnerability in pdf2json v0.71 results in a NULL pointer dereference in the ObjectStream::getObject component.

Affected Systems and Versions

Affected Version: pdf2json v0.71

Exploitation Mechanism

The vulnerability can be exploited by triggering the NULL pointer dereference in the ObjectStream::getObject component.

Mitigation and Prevention

Steps to address and prevent the CVE-2020-23879 vulnerability.

Immediate Steps to Take

Update pdf2json to a patched version if available.
Implement proper input validation to prevent exploitation.

Long-Term Security Practices

Regularly update software and libraries to patched versions.
Conduct security assessments and audits to identify vulnerabilities.

Patching and Updates

Monitor for official patches or updates from the pdf2json project to address the vulnerability.