CVE-2018-16435 : What You Need to Know

Little CMS (aka Little Color Management System) 2.9 experiences an integer overflow issue in the AllocateDataSet function, leading to a heap-based buffer overflow in the SetData function. This vulnerability can be exploited by providing a specifically-designed file as the second argument to the cmsIT8LoadFromFile function.

Understanding CVE-2018-16435

Little CMS version 2.9 is susceptible to an integer overflow vulnerability that can result in a heap-based buffer overflow.

What is CVE-2018-16435?

The AllocateDataSet function in Little CMS 2.9 encounters an integer overflow issue, leading to a heap-based buffer overflow in the SetData function when a crafted file is used as the second argument to cmsIT8LoadFromFile.

The Impact of CVE-2018-16435

Successful exploitation could allow an attacker to execute arbitrary code or cause a denial of service.

Technical Details of CVE-2018-16435

Little CMS 2.9 vulnerability details.

Vulnerability Description

An integer overflow in the AllocateDataSet function leads to a heap-based buffer overflow in the SetData function.

Affected Systems and Versions

Little CMS version 2.9 is affected.

Exploitation Mechanism

By providing a specially crafted file as the second argument to the cmsIT8LoadFromFile function, attackers can trigger the vulnerability.

Mitigation and Prevention

Protecting systems from CVE-2018-16435.

Immediate Steps to Take

Update Little CMS to a non-vulnerable version if available.
Implement proper input validation to prevent malicious files from triggering the vulnerability.

Long-Term Security Practices

Regularly update software and apply security patches.
Conduct security assessments and audits to identify and mitigate vulnerabilities.

Patching and Updates

Apply patches provided by Little CMS to address the vulnerability.