CVE-2020-23874 : Exploit Details and Defense Strategies

pdf2xml v2.0 was discovered to contain a heap-buffer overflow in the function TextPage::addAttributsNode.

Understanding CVE-2020-23874

pdf2xml v2.0 has a vulnerability that allows a heap-buffer overflow in the TextPage::addAttributsNode function.

What is CVE-2020-23874?

The CVE-2020-23874 vulnerability is a heap-buffer overflow in the pdf2xml v2.0 software, specifically in the TextPage::addAttributsNode function.

The Impact of CVE-2020-23874

This vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by exploiting the heap-buffer overflow in pdf2xml v2.0.

Technical Details of CVE-2020-23874

pdf2xml v2.0 vulnerability details.

Vulnerability Description

The vulnerability exists in the TextPage::addAttributsNode function of pdf2xml v2.0, leading to a heap-buffer overflow.

Affected Systems and Versions

Affected version: pdf2xml v2.0

Exploitation Mechanism

Attackers can exploit this vulnerability to execute arbitrary code or trigger a denial of service attack.

Mitigation and Prevention

Steps to mitigate the CVE-2020-23874 vulnerability.

Immediate Steps to Take

Update pdf2xml to a patched version if available.
Implement proper input validation to prevent buffer overflows.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update software and apply security patches.
Conduct security audits and code reviews to identify and address vulnerabilities.

Patching and Updates

Stay informed about security updates for pdf2xml and apply them promptly.