CVE-2021-34564 : Exploit Details and Defense Strategies

A vulnerability in WirelessHART-Gateway versions 3.0.9 could allow attackers to read and write sensitive data in a cookie, potentially enabling the theft of user credentials.

Understanding CVE-2021-34564

This CVE identifies a security issue in the PEPPERL+FUCHS WirelessHART-Gateway version 3.0.9.

What is CVE-2021-34564?

The vulnerability allows malicious actors to exploit the application or browser to steal sensitive user credentials stored within a cookie.

The Impact of CVE-2021-34564

If successfully exploited, this vulnerability could lead to unauthorized access to sensitive data and compromise the security and privacy of affected users.

Technical Details of CVE-2021-34564

Here are some technical specifics regarding this CVE:

Vulnerability Description

The issue stems from a cookie-stealing vulnerability within the WirelessHART-Gateway application, facilitating unauthorized access to user credentials.

Affected Systems and Versions

The impacted products include WHA-GW-F2D2-0-AS-Z2-ETH and WHA-GW-F2D2-0-AS-Z2-ETH.EIP, both running version 3.0.9 by Phoenix Contact.

Exploitation Mechanism

Attackers with local access can exploit this vulnerability without requiring special privileges, potentially compromising user confidentiality.

Mitigation and Prevention

To address CVE-2021-34564, consider the following steps:

Immediate Steps to Take

Implement external protective measures, limit network exposure, and isolate affected products.
Ensure that vulnerable devices are not accessible via the Internet.
When remote access is necessary, use secure methods like virtual private networks (VPNs).

Long-Term Security Practices

Regularly monitor for security updates and patches from Phoenix Contact.
Educate users on safe browsing practices and the importance of secure authentication.

Patching and Updates

As of the latest information available, there is no update released for this vulnerability.