CVE-2017-5175 : What You Need to Know

A vulnerability has been identified in Advantech WebAccess versions 8.1 and earlier, allowing an attacker to execute arbitrary code by hijacking a DLL file.

Understanding CVE-2017-5175

This CVE involves a DLL hijacking vulnerability in Advantech WebAccess versions 8.1 and prior, potentially leading to the execution of malicious code.

What is CVE-2017-5175?

CVE-2017-5175 is a vulnerability in Advantech WebAccess versions 8.1 and earlier that enables attackers to run a malicious DLL file within the search path, resulting in the execution of arbitrary code.

The Impact of CVE-2017-5175

The vulnerability allows threat actors to exploit the DLL hijacking issue, compromising the integrity and security of affected systems.

Technical Details of CVE-2017-5175

Advantech WebAccess versions 8.1 and prior are susceptible to DLL hijacking, posing a significant security risk.

Vulnerability Description

The flaw in Advantech WebAccess versions 8.1 and earlier permits the hijacking of a DLL file, enabling the execution of arbitrary code by leveraging a malicious DLL file within the search path.

Affected Systems and Versions

Product: Advantech WebAccess Versions 8.1 and prior
Vendor: ICS-CERT

Exploitation Mechanism

The vulnerability can be exploited by placing a malicious DLL file in the search path, which, when executed, allows attackers to run arbitrary code on the target system.

Mitigation and Prevention

Taking immediate action and implementing long-term security measures are crucial to mitigating the risks associated with CVE-2017-5175.

Immediate Steps to Take

Update Advantech WebAccess to a patched version that addresses the DLL hijacking vulnerability.
Monitor system logs for any suspicious DLL file executions.

Long-Term Security Practices

Conduct regular security assessments to identify and remediate vulnerabilities promptly.
Implement robust access controls and restrict DLL loading permissions to prevent unauthorized file execution.

Patching and Updates

Apply security patches provided by Advantech to fix the DLL hijacking vulnerability in WebAccess versions 8.1 and earlier.