CVE-2018-7238 : Security Advisory and Response

Schneider Electric's Pelco Sarix Professional firmware versions prior to 3.29.67 are vulnerable to a buffer overflow, allowing remote code execution without authentication.

Understanding CVE-2018-7238

This CVE involves a critical vulnerability in the web-based GUI of Schneider Electric's Pelco Sarix Professional.

What is CVE-2018-7238?

The vulnerability in Pelco Sarix Professional firmware versions prior to 3.29.67 could be exploited by an attacker to trigger a buffer overflow, potentially leading to the execution of arbitrary code remotely.

The Impact of CVE-2018-7238

Exploiting this vulnerability allows an unauthorized attacker to execute code of their choice without needing authentication, posing a significant security risk to affected systems.

Technical Details of CVE-2018-7238

Schneider Electric's Pelco Sarix Professional firmware versions prior to 3.29.67 are susceptible to this critical security flaw.

Vulnerability Description

The buffer overflow vulnerability in the web-based GUI of Pelco Sarix Professional firmware versions prior to 3.29.67 enables attackers to execute arbitrary code remotely.

Affected Systems and Versions

Product: Pelco Sarix Professional
Vendor: Schneider Electric SE
Versions Affected: All firmware versions prior to 3.29.78

Exploitation Mechanism

The vulnerability allows attackers to trigger a buffer overflow through the web-based GUI, granting them the ability to execute malicious code remotely.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2018-7238.

Immediate Steps to Take

Update the firmware to version 3.29.78 or later to patch the vulnerability.
Restrict network access to the affected systems.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all software and firmware to prevent vulnerabilities.
Implement strong authentication mechanisms and access controls.
Conduct regular security audits and assessments to identify and address potential risks.

Patching and Updates

Schneider Electric has released firmware version 3.29.78 to address the vulnerability. Ensure all affected systems are updated promptly to mitigate the risk of exploitation.