CVE-2020-14153 : Security Advisory and Response

In IJG JPEG (aka libjpeg) from version 8 through 9c, jdhuff.c has an out-of-bounds array read for certain table pointers.

Understanding CVE-2020-14153

In this CVE, a vulnerability in IJG JPEG (libjpeg) versions 8 through 9c is identified, allowing an out-of-bounds array read in jdhuff.c for specific table pointers.

What is CVE-2020-14153?

The CVE-2020-14153 vulnerability involves a specific issue in the jdhuff.c file within IJG JPEG (libjpeg) versions 8 through 9c, leading to an out-of-bounds array read for certain table pointers.

The Impact of CVE-2020-14153

This vulnerability could potentially be exploited by attackers to read sensitive information from memory or cause a denial of service by crashing the application.

Technical Details of CVE-2020-14153

Vulnerability Description

The vulnerability in jdhuff.c in IJG JPEG (libjpeg) versions 8 through 9c allows for an out-of-bounds array read for specific table pointers.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: All versions from 8 through 9c

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious image file that triggers the out-of-bounds array read when processed by an application using the affected library.

Mitigation and Prevention

Immediate Steps to Take

Apply patches or updates provided by the vendor to address the vulnerability.
Consider implementing proper input validation mechanisms to prevent malicious inputs.

Long-Term Security Practices

Regularly update software and libraries to the latest versions to mitigate known vulnerabilities.
Conduct security assessments and code reviews to identify and address potential security flaws.

Patching and Updates

Ensure that the IJG JPEG (libjpeg) library is updated to a version that includes a fix for the out-of-bounds array read vulnerability.