CVE-2018-11363 : Security Advisory and Response

A heap-based buffer over-read vulnerability was identified in the jpeg_size function within the pdfgen.c file of PDFGen before April 9, 2018.

Understanding CVE-2018-11363

This CVE entry describes a specific vulnerability in PDFGen software.

What is CVE-2018-11363?

The vulnerability is a heap-based buffer over-read issue found in the jpeg_size function within the pdfgen.c file of PDFGen before April 9, 2018.

The Impact of CVE-2018-11363

The vulnerability could potentially allow an attacker to read beyond the allocated memory, leading to information exposure or a denial of service condition.

Technical Details of CVE-2018-11363

This section provides more technical insights into the CVE.

Vulnerability Description

The jpeg_size function in pdfgen.c in PDFGen before 2018-04-09 suffers from a heap-based buffer over-read.

Affected Systems and Versions

Product: PDFGen
Vendor: N/A
Versions affected: All versions prior to April 9, 2018

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious PDF file and tricking a user into opening it, triggering the heap-based buffer over-read.

Mitigation and Prevention

Protecting systems from CVE-2018-11363 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update PDFGen software to the latest version that includes a patch for the vulnerability.
Avoid opening PDF files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Ensure that PDFGen is regularly updated to the latest version to mitigate the vulnerability and enhance overall system security.