CVE-2018-3923 : Security Advisory and Response

Computerinsel Photoline version 20.54 contains a security flaw in its PCX-parsing function, allowing attackers to manipulate memory and execute arbitrary code.

Understanding CVE-2018-3923

Computerinsel Photoline 20.54 is vulnerable to a memory corruption issue due to a specially crafted PCX image, enabling out-of-bounds writes and potential code execution.

What is CVE-2018-3923?

The vulnerability in Computerinsel Photoline 20.54 allows attackers to exploit the PCX-parsing function, leading to memory manipulation and unauthorized data modification.

The Impact of CVE-2018-3923

The vulnerability has a CVSS base score of 8.8 (High severity) with significant impacts on confidentiality, integrity, and availability. Attackers can execute malicious code by leveraging this flaw.

Technical Details of CVE-2018-3923

Computerinsel Photoline 20.54's vulnerability is detailed below:

Vulnerability Description

The flaw in the PCX-parsing function permits out-of-bounds writes, enabling attackers to overwrite data beyond intended boundaries.

Affected Systems and Versions

Product: Computerinsel Photoline
Vendor: Computerinsel
Affected Version: Computerinsel Photoline 20.54 for OS X

Exploitation Mechanism

Attackers can exploit the vulnerability by crafting a malicious PCX image and processing it through the application, triggering memory corruption and potential code execution.

Mitigation and Prevention

Steps to address and prevent CVE-2018-3923:

Immediate Steps to Take

Update Computerinsel Photoline to a patched version that addresses the PCX-parsing vulnerability.
Avoid opening PCX images from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement network security measures to detect and block malicious activities.

Patching and Updates

Monitor vendor updates for Computerinsel Photoline and apply patches as soon as they are available.