CVE-2018-7235 : What You Need to Know

Schneider Electric's Pelco Sarix Professional firmware versions prior to 3.29.75 have a vulnerability that could allow arbitrary system file download due to improper validation of shell meta characters.

Understanding CVE-2018-7235

This CVE involves a command execution vulnerability in Schneider Electric's Pelco Sarix Professional.

What is CVE-2018-7235?

The vulnerability in Pelco Sarix Professional firmware versions prior to 3.29.75 allows for arbitrary system file download by exploiting shell meta characters.

The Impact of CVE-2018-7235

The vulnerability could be exploited to download system files, potentially leading to unauthorized access and data breaches.

Technical Details of CVE-2018-7235

This section provides technical details of the vulnerability.

Vulnerability Description

The issue arises from the lack of proper validation of shell meta characters when using the 'system.download.sd_file' value.

Affected Systems and Versions

Product: Pelco Sarix Professional
Vendor: Schneider Electric SE
Affected Versions: All firmware versions prior to 3.29.75

Exploitation Mechanism

The vulnerability allows attackers to exploit shell meta characters to download system files.

Mitigation and Prevention

Protect your systems from CVE-2018-7235 with the following steps:

Immediate Steps to Take

Update to firmware version 3.29.75 or later to mitigate the vulnerability.
Monitor system files for any unauthorized downloads.

Long-Term Security Practices

Regularly update firmware and security patches.
Implement network segmentation to limit the impact of potential breaches.

Patching and Updates

Stay informed about security advisories from Schneider Electric.
Apply patches promptly to address known vulnerabilities.