CVE-2020-23878 : Security Advisory and Response

pdf2json v0.71 was discovered to contain a stack buffer overflow in the component XRef::fetch.

Understanding CVE-2020-23878

pdf2json v0.71 has a vulnerability that allows a stack buffer overflow in the XRef::fetch component.

What is CVE-2020-23878?

The CVE-2020-23878 vulnerability is a stack buffer overflow in the XRef::fetch component of pdf2json v0.71.

The Impact of CVE-2020-23878

This vulnerability could potentially allow an attacker to execute arbitrary code or crash the application, leading to a denial of service.

Technical Details of CVE-2020-23878

pdf2json v0.71 vulnerability details.

Vulnerability Description

The vulnerability lies in a stack buffer overflow in the XRef::fetch component of pdf2json v0.71.

Affected Systems and Versions

Affected version: pdf2json v0.71

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious PDF file to trigger the stack buffer overflow.

Mitigation and Prevention

Steps to address the CVE-2020-23878 vulnerability.

Immediate Steps to Take

Update pdf2json to a non-vulnerable version if available.
Implement proper input validation to prevent buffer overflows.

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities.
Conduct security assessments and code reviews to identify and address potential vulnerabilities.

Patching and Updates

Monitor for security advisories and apply patches promptly to mitigate risks.