CVE-2017-7327 : Vulnerability Insights and Analysis

Yandex Browser for Desktop versions prior to 17.4.1 is vulnerable to a DLL Hijacking Vulnerability due to an untrusted search path for specific DLL files.

Understanding CVE-2017-7327

This CVE involves a security issue in Yandex Browser for Desktop that could allow DLL hijacking.

What is CVE-2017-7327?

The vulnerability in Yandex Browser installer for Desktop versions earlier than 17.4.1 arises from using an untrusted search path for certain DLL files.

The Impact of CVE-2017-7327

The vulnerability could be exploited by attackers to execute arbitrary code on the affected system, potentially leading to unauthorized access or other malicious activities.

Technical Details of CVE-2017-7327

Yandex Browser for Desktop versions prior to 17.4.1 is susceptible to DLL hijacking due to the following:

Vulnerability Description

The DLL Hijacking Vulnerability in Yandex Browser installer for Desktop versions earlier than 17.4.1 occurs because of the untrusted search path for dnsapi.dll, winmm.dll, ntmarta.dll, cryptbase.dll, or profapi.dll.

Affected Systems and Versions

Product: Yandex Browser for Desktop
Vendor: Yandex N.V.
Versions Affected: All versions prior to version 17.4.1

Exploitation Mechanism

Attackers can exploit this vulnerability by placing a malicious DLL file in the same directory as the legitimate DLLs used by the application, leading to the execution of the malicious code.

Mitigation and Prevention

To address CVE-2017-7327, consider the following steps:

Immediate Steps to Take

Update Yandex Browser for Desktop to version 17.4.1 or later to mitigate the vulnerability.
Be cautious when downloading and executing files from untrusted sources to prevent DLL hijacking attacks.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Implement robust security measures such as endpoint protection and network monitoring to detect and prevent unauthorized activities.

Patching and Updates

Stay informed about security updates and patches released by Yandex for Yandex Browser for Desktop to address vulnerabilities like DLL hijacking.