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Vulnerability DatabaseCVE-2018-21236

CVE-2018-21236: 
NixOS vulnerability analysis and mitigation

Overview

An issue was discovered in Foxit Reader before version 2.4.4 that involves a NULL pointer dereference vulnerability (NVD, CVE). The vulnerability was disclosed on June 4, 2020, and affects Foxit Reader software installations prior to version 2.4.4.

Technical details

The vulnerability is characterized by a NULL pointer dereference condition in the software. This type of vulnerability occurs when the program attempts to read or write to a NULL pointer, which can lead to a program crash (NVD).

Impact

The NULL pointer dereference vulnerability could potentially cause the application to crash, resulting in a denial of service condition for users of the affected Foxit Reader versions (NVD).

Exploitability

The vulnerability requires an attacker to create a specially crafted input that triggers the NULL pointer dereference. No known exploits were actively used in the wild at the time of disclosure (NVD).

Mitigation and workarounds

Users are advised to upgrade to Foxit Reader version 2.4.4 or later to address this vulnerability. The fix was confirmed in the official security bulletin from Foxit Software (Foxit Bulletin).

Additional resources

Source: This report was generated using AI

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