CVE-2018-5296 Explained : Impact and Mitigation

PoDoFo version 0.9.5 is affected by a vulnerability in the PdfParser::ReadXRefSubsection function, allowing uncontrolled memory allocation. Attackers can exploit this flaw remotely to trigger a denial-of-service by using a specially crafted pdf file.

Understanding CVE-2018-5296

This CVE entry describes a vulnerability in PoDoFo version 0.9.5 that can lead to a denial-of-service attack.

What is CVE-2018-5296?

The vulnerability in PoDoFo version 0.9.5 allows attackers to perform uncontrolled memory allocation, leading to a denial-of-service condition when a malicious pdf file is used.

The Impact of CVE-2018-5296

This vulnerability can be exploited remotely by attackers to cause a denial-of-service, affecting the availability of the system.

Technical Details of CVE-2018-5296

PoDoFo version 0.9.5 vulnerability details.

Vulnerability Description

The PdfParser::ReadXRefSubsection function in PoDoFo version 0.9.5 allows uncontrolled memory allocation, enabling a denial-of-service attack through a crafted pdf file.

Affected Systems and Versions

Product: PoDoFo
Vendor: N/A
Version: 0.9.5

Exploitation Mechanism

Attackers can exploit this vulnerability remotely by utilizing a specially crafted pdf file to trigger uncontrolled memory allocation and cause a denial-of-service.

Mitigation and Prevention

Protecting systems from CVE-2018-5296.

Immediate Steps to Take

Apply vendor patches or updates promptly.
Avoid opening pdf files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Implement network security measures to detect and prevent malicious pdf files.
Conduct security assessments and audits to identify and mitigate vulnerabilities.

Patching and Updates

Check for patches or updates provided by PoDoFo to address the vulnerability in version 0.9.5.