CVE-2019-10871 Explained : Impact and Mitigation

Poppler version 0.74.0 is found to have a vulnerability in the PSOutputDev.cc file, specifically in the function PSOutputDev::checkPageSlice, leading to a heap-based buffer over-read.

Understanding CVE-2019-10871

This CVE identifies a specific vulnerability in the Poppler software version 0.74.0.

What is CVE-2019-10871?

CVE-2019-10871 is a heap-based buffer over-read vulnerability discovered in Poppler 0.74.0, affecting the PSOutputDev.cc file.

The Impact of CVE-2019-10871

The vulnerability can be exploited to trigger a heap-based buffer over-read, potentially leading to information disclosure or denial of service.

Technical Details of CVE-2019-10871

Poppler version 0.74.0 is susceptible to a heap-based buffer over-read due to an issue in the PSOutputDev::checkPageSlice function.

Vulnerability Description

The vulnerability in Poppler 0.74.0 allows for a heap-based buffer over-read in the PSOutputDev::checkPageSlice function.

Affected Systems and Versions

Affected Version: 0.74.0
Poppler software

Exploitation Mechanism

The vulnerability can be exploited by an attacker to trigger a heap-based buffer over-read, potentially leading to further exploitation.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-10871.

Immediate Steps to Take

Update Poppler to a patched version that addresses the vulnerability.
Monitor security advisories for any updates or patches related to this CVE.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Conduct security assessments and audits to identify and mitigate vulnerabilities.

Patching and Updates

Apply the latest patches and updates provided by Poppler to fix the vulnerability and enhance system security.