CVE-2018-11555 : What You Need to Know

Little CMS version 2.9 is affected by an out-of-bounds writing vulnerability in the PrecalculatedXFORM function. This issue can be exploited through a specially crafted TIFF file.

Understanding CVE-2018-11555

An out-of-bounds writing vulnerability has been identified in Little CMS version 2.9, specifically in the PrecalculatedXFORM function within the liblcms2.a component.

What is CVE-2018-11555?

The vulnerability allows for exploitation through a crafted TIFF file, affecting the cmsxform.c component within Little CMS version 2.9.

The Impact of CVE-2018-11555

The vulnerability poses a risk of out-of-bounds writing, potentially leading to unauthorized access or denial of service attacks.

Technical Details of CVE-2018-11555

Little CMS version 2.9 is susceptible to an out-of-bounds writing vulnerability.

Vulnerability Description

The issue resides in the PrecalculatedXFORM function within the liblcms2.a component, triggered by a specially crafted TIFF file.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

The vulnerability can be exploited through a specifically crafted TIFF file, potentially leading to unauthorized access or denial of service.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of CVE-2018-11555.

Immediate Steps to Take

Apply security patches or updates provided by the vendor.
Avoid opening untrusted TIFF files.
Monitor security advisories for any further updates.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Implement proper input validation to prevent malicious file execution.
Conduct security assessments and audits periodically.
Educate users on safe computing practices.
Consider using alternative libraries if security concerns persist.

Patching and Updates

Stay informed about security patches and updates released by Little CMS to address the vulnerability.