CVE-2018-19655 : What You Need to Know

CVE-2018-19655 was published on November 29, 2018, and involves a vulnerability in the find_green() function in dcraw through version 9.28. This vulnerability could lead to a stack-based buffer overflow, potentially enabling a remote attacker to manipulate control flow, cause denial-of-service, or other impacts by exploiting a specially crafted raw photo file.

Understanding CVE-2018-19655

This section provides insights into the nature and impact of the CVE-2018-19655 vulnerability.

What is CVE-2018-19655?

CVE-2018-19655 is a stack-based buffer overflow vulnerability in the find_green() function of dcraw through version 9.28. It is present in various products, including ufraw-batch, and could be exploited by a remote attacker to trigger control-flow hijacking, denial-of-service, or other unknown impacts.

The Impact of CVE-2018-19655

The vulnerability in CVE-2018-19655 could have severe consequences, including control-flow manipulation, denial-of-service attacks, and potentially other malicious activities through the exploitation of a specially crafted raw photo file.

Technical Details of CVE-2018-19655

This section delves into the technical aspects of the CVE-2018-19655 vulnerability.

Vulnerability Description

The find_green() function in dcraw through version 9.28 is susceptible to a stack-based buffer overflow, which could be exploited by attackers to execute various malicious activities.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious raw photo file to trigger the stack-based buffer overflow in the find_green() function.

Mitigation and Prevention

In this section, we discuss the steps to mitigate and prevent the exploitation of CVE-2018-19655.

Immediate Steps to Take

Apply security patches provided by the relevant vendors promptly.
Avoid opening raw photo files from untrusted or unknown sources.
Implement network security measures to detect and block malicious activities.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Conduct security audits and vulnerability assessments periodically.
Educate users on safe browsing habits and the risks associated with opening files from unverified sources.

Patching and Updates

Ensure that all systems and software are regularly updated with the latest security patches to mitigate the risks associated with CVE-2018-19655.