CVE-2023-34872 : Vulnerability Insights and Analysis
CVE-2023-34872 allows a remote attacker to cause a DoS in Poppler prior to 23.06.0 via a crafted PDF file. Learn about the impact, technical details, and mitigation steps.
A vulnerability in Outline.cc for Poppler prior to version 23.06.0 allows a remote attacker to cause a Denial of Service (DoS) via a crafted PDF file. Learn more about CVE-2023-34872, its impact, technical details, mitigation, and prevention measures.
Understanding CVE-2023-34872
This section provides an overview of the CVE-2023-34872 vulnerability in Outline.cc for Poppler.
What is CVE-2023-34872?
CVE-2023-34872 is a vulnerability in Outline.cc for Poppler that allows a remote attacker to trigger a Denial of Service (DoS) condition by exploiting a flaw in handling crafted PDF files.
The Impact of CVE-2023-34872
The vulnerability in Poppler can result in a crash, leading to a Denial of Service condition, affecting the availability of the system or application.
Technical Details of CVE-2023-34872
Explore the specific technical aspects of the CVE-2023-34872 vulnerability in this section.
Vulnerability Description
The vulnerability lies in the way Outline.cc for Poppler processes PDF files, specifically in the OutlineItem::open function, which can be exploited by an attacker to crash the system or application.
Affected Systems and Versions
All versions of Poppler prior to 23.06.0 are affected by CVE-2023-34872.
Exploitation Mechanism
An attacker can exploit this vulnerability by crafting a malicious PDF file to trigger the crash in the OutlineItem::open function, leading to a Denial of Service condition.
Mitigation and Prevention
Discover the necessary steps to mitigate and prevent the exploitation of CVE-2023-34872 in this section.
Immediate Steps to Take
Users are advised to update Poppler to version 23.06.0 or later to remediate the vulnerability and prevent potential Denial of Service attacks.
Long-Term Security Practices
Implementing secure PDF file handling practices and staying informed about software vulnerabilities are essential for long-term security.
Patching and Updates
Regularly applying patches and software updates is crucial to address known vulnerabilities and enhance the security posture of systems and applications.