CVE-2018-19108 : Security Advisory and Response

Exiv2 version 0.26 may experience a denial of service issue in the PSD image reader due to an integer overflow in the readMetadata function of the psdimage.cpp file.

Understanding CVE-2018-19108

This CVE describes a vulnerability in Exiv2 version 0.26 that can lead to a denial of service situation.

What is CVE-2018-19108?

The vulnerability in the PSD image reader of Exiv2 version 0.26 can cause a denial of service due to an integer overflow when processing manipulated PSD image files.

The Impact of CVE-2018-19108

The vulnerability can result in the program entering an infinite loop, leading to a denial of service situation.

Technical Details of CVE-2018-19108

Exiv2 version 0.26 is susceptible to a specific issue in the PSD image reader.

Vulnerability Description

The vulnerability is caused by an integer overflow in the readMetadata function of the psdimage.cpp file.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions Affected: All versions are affected.

Exploitation Mechanism

The issue arises when processing manipulated PSD image files, triggering an integer overflow that leads to a denial of service.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2018-19108.

Immediate Steps to Take

Apply security updates provided by the vendor.
Monitor vendor advisories for patches and mitigation strategies.

Long-Term Security Practices

Regularly update software to the latest versions.
Implement secure coding practices to prevent integer overflow vulnerabilities.

Patching and Updates

Refer to vendor advisories and security updates for patches and fixes.