CVE-2018-19058 : Security Advisory and Response

Poppler version 0.71.0 has a vulnerability in Object.h that can lead to a denial of service due to a reachable abort. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2018-19058

Poppler 0.71.0 vulnerability with a denial of service risk.

What is CVE-2018-19058?

An issue in Poppler 0.71.0 where a reachable abort in Object.h can cause a denial of service due to a missing stream check in EmbFile::save2.

The Impact of CVE-2018-19058

The vulnerability can be exploited to trigger a denial of service attack on systems running the affected Poppler version.

Technical Details of CVE-2018-19058

Details on the vulnerability in Poppler 0.71.0.

Vulnerability Description

Poppler 0.71.0 has a reachable abort in Object.h, leading to a denial of service as EmbFile::save2 in FileSpec.cc fails to check the stream before saving an embedded file.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: 0.71.0

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to cause a denial of service by leveraging the missing stream check in EmbFile::save2.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2018-19058 vulnerability.

Immediate Steps to Take

Update Poppler to a patched version that addresses the vulnerability.
Monitor for any unusual system behavior that could indicate exploitation.

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.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Ensure that all systems running Poppler are updated to a version that includes the necessary security patches.