CVE-2017-2156 Explained : Impact and Mitigation

In April 2017, a vulnerability was discovered in the Vivaldi installer for Windows prior to version 1.7.735.48, allowing attackers to execute arbitrary code through a specially crafted executable file.

Understanding CVE-2017-2156

This CVE entry highlights a security flaw in the Vivaldi installer for Windows that could be exploited by malicious actors.

What is CVE-2017-2156?

The vulnerability in the Vivaldi installer for Windows versions earlier than 1.7.735.48 is related to an untrusted search path. Attackers can leverage this flaw by using a specially crafted executable file in a specific directory to run arbitrary code.

The Impact of CVE-2017-2156

The vulnerability poses a significant risk as it allows threat actors to execute malicious code on affected systems, potentially leading to unauthorized access or system compromise.

Technical Details of CVE-2017-2156

This section delves into the technical aspects of the CVE, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The untrusted search path vulnerability in the Vivaldi installer for Windows prior to version 1.7.735.48 enables attackers to execute arbitrary code through a specially crafted executable file.

Affected Systems and Versions

Product: Vivaldi installer for Windows
Vendor: Vivaldi Technologies
Versions Affected: Prior to version 1.7.735.48

Exploitation Mechanism

Attackers can exploit this vulnerability by placing a malicious executable file in a specific directory, tricking the system into executing the code.

Mitigation and Prevention

To safeguard systems from CVE-2017-2156, immediate steps should be taken along with implementing long-term security practices and applying necessary patches and updates.

Immediate Steps to Take

Update Vivaldi installer for Windows to version 1.7.735.48 or later.
Avoid running executables from untrusted sources or directories.

Long-Term Security Practices

Regularly monitor for security advisories and updates from Vivaldi Technologies.
Employ robust endpoint protection mechanisms to detect and prevent similar vulnerabilities.

Patching and Updates

Install security patches and updates provided by Vivaldi Technologies promptly to mitigate the risk of exploitation.