CVE-2017-7382 : Vulnerability Insights and Analysis

A crafted PDF document can lead to a denial of service, causing a NULL pointer dereference and application crash in the PdfFontFactory.cpp:200:88 code of PoDoFo 0.9.5 when executed remotely by attackers.

Understanding CVE-2017-7382

The vulnerability in PoDoFo 0.9.5 allows remote attackers to exploit a crafted PDF document to trigger a denial of service.

What is CVE-2017-7382?

The PdfFontFactory.cpp:200:88 code in PoDoFo 0.9.5 enables attackers to cause a denial of service through a NULL pointer dereference and application crash by using a malicious PDF document.

The Impact of CVE-2017-7382

Attackers can remotely crash applications by exploiting this vulnerability.
It can lead to a denial of service, disrupting normal system functionality.

Technical Details of CVE-2017-7382

The technical aspects of the CVE-2017-7382 vulnerability are as follows:

Vulnerability Description

The vulnerability in PoDoFo 0.9.5 allows attackers to exploit a crafted PDF document, resulting in a NULL pointer dereference and application crash.

Affected Systems and Versions

Product: PoDoFo 0.9.5
Version: All versions are affected

Exploitation Mechanism

Attackers can exploit this vulnerability remotely by sending a specially crafted PDF document to trigger the application crash.

Mitigation and Prevention

To address CVE-2017-7382, consider the following mitigation strategies:

Immediate Steps to Take

Update PoDoFo to the latest version to patch the vulnerability.
Avoid opening PDF files from untrusted or unknown sources.
Implement network security measures to prevent remote exploitation.

Long-Term Security Practices

Regularly update software and applications to mitigate known vulnerabilities.
Conduct security training to educate users on identifying and handling suspicious files.

Patching and Updates

Apply security patches promptly to ensure protection against known vulnerabilities.