CVE-2018-21010 : What You Need to Know

OpenJPEG before version 2.3.1 is susceptible to a heap buffer overflow vulnerability in the color_apply_icc_profile function.

Understanding CVE-2018-21010

This CVE involves a critical heap buffer overflow issue in OpenJPEG versions prior to 2.3.1.

What is CVE-2018-21010?

The vulnerability exists in the color_apply_icc_profile function within the bin/common/color.c file of OpenJPEG versions earlier than 2.3.1.

The Impact of CVE-2018-21010

The heap buffer overflow vulnerability could allow an attacker to execute arbitrary code or cause a denial of service (DoS) condition.

Technical Details of CVE-2018-21010

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability is a heap buffer overflow in the color_apply_icc_profile function in OpenJPEG's bin/common/color.c file.

Affected Systems and Versions

OpenJPEG versions prior to 2.3.1 are affected.

Exploitation Mechanism

Attackers can exploit this vulnerability to trigger a buffer overflow by providing malicious input to the color_apply_icc_profile function.

Mitigation and Prevention

Protecting systems from CVE-2018-21010 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update OpenJPEG to version 2.3.1 or later to mitigate the vulnerability.
Monitor vendor security advisories for patches and updates.

Long-Term Security Practices

Implement secure coding practices to prevent buffer overflows.
Regularly update and patch software to address known vulnerabilities.

Patching and Updates

Apply patches and updates provided by OpenJPEG to fix the heap buffer overflow vulnerability.