CVE-2019-14290 : What You Need to Know

A vulnerability was found in version 4.01.01 of Xpdf, where the function GfxPatchMeshShading::parse in GfxState.cc is susceptible to an out-of-bounds read under specific conditions.

Understanding CVE-2019-14290

This CVE identifies a security issue in Xpdf version 4.01.01.

What is CVE-2019-14290?

This CVE describes an out-of-bounds read vulnerability in the GfxPatchMeshShading::parse function in GfxState.cc when typeA is 6 and case 2 is executed.

The Impact of CVE-2019-14290

The vulnerability could potentially be exploited by attackers to read sensitive information or cause a denial of service.

Technical Details of CVE-2019-14290

Xpdf version 4.01.01 is affected by this vulnerability.

Vulnerability Description

The issue lies in the GfxPatchMeshShading::parse function in GfxState.cc, triggered when typeA is 6 and case 2 is executed, leading to an out-of-bounds read.

Affected Systems and Versions

Product: Xpdf
Version: 4.01.01

Exploitation Mechanism

Attackers can exploit this vulnerability by executing case 2 when typeA is 6, allowing them to perform an out-of-bounds read.

Mitigation and Prevention

To address CVE-2019-14290, follow these steps:

Immediate Steps to Take

Update Xpdf to a patched version.
Monitor for any unusual activities on the system.

Long-Term Security Practices

Regularly update software to the latest versions.
Implement proper input validation to prevent similar vulnerabilities.

Patching and Updates

Ensure that Xpdf is regularly updated to the latest version to mitigate the risk of exploitation.