CVE-2022-38928 : Security Advisory and Response

XPDF 4.04 is vulnerable to Null Pointer Dereference in FoFiType1C.cc:2393.

Understanding CVE-2022-38928

This CVE identifies a vulnerability in XPDF 4.04 that could lead to a Null Pointer Dereference in the specific file FoFiType1C.cc at line 2393.

What is CVE-2022-38928?

CVE-2022-38928 is a security flaw in XPDF 4.04 that can be exploited through a Null Pointer Dereference, potentially leading to a denial of service or arbitrary code execution.

The Impact of CVE-2022-38928

This vulnerability allows attackers to crash the application or execute malicious code, posing a significant risk to systems running XPDF 4.04.

Technical Details of CVE-2022-38928

Below are the technical details regarding this CVE:

Vulnerability Description

The vulnerability lies in a Null Pointer Dereference issue in the code file FoFiType1C.cc at line 2393 of XPDF 4.04.

Affected Systems and Versions

XPDF 4.04 is confirmed to be affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by triggering a specific scenario that causes a Null Pointer Dereference, potentially leading to a system crash or code execution.

Mitigation and Prevention

To secure systems from CVE-2022-38928, the following steps are recommended:

Immediate Steps to Take

Consider updating XPDF to a patched version that addresses this vulnerability.
Implement proper input validation mechanisms to prevent malicious exploitation.

Long-Term Security Practices

Regularly monitor security advisories and updates from XPDF to stay informed about vulnerabilities.
Conduct security assessments and penetration testing to detect and mitigate any potential weaknesses.

Patching and Updates

Stay informed about patches released by XPDF to address CVE-2022-38928 and apply them promptly to ensure the security of your systems.