CVE-2020-9353 : Security Advisory and Response

SmartClient 12.0 is affected by an unauthenticated Local File Inclusion vulnerability via directory-traversal sequences in the elem XML element.

Understanding CVE-2020-9353

SmartClient 12.0's console functionality on specific URLs is vulnerable to unauthenticated Local File Inclusion.

What is CVE-2020-9353?

The issue in SmartClient 12.0 allows attackers to include local files via directory-traversal sequences in specific parameters.

The Impact of CVE-2020-9353

Attackers can exploit this vulnerability to access sensitive files on the server.
Unauthorized users may gain access to restricted information.

Technical Details of CVE-2020-9353

SmartClient 12.0's vulnerability is detailed below:

Vulnerability Description

The Remote Procedure Call (RPC) loadFile on certain URLs allows unauthenticated Local File Inclusion via directory-traversal sequences.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: All versions are affected.

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating the elem XML element in the _transaction parameter.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2020-9353:

Immediate Steps to Take

Restrict access to the vulnerable URLs.
Implement proper authentication and authorization mechanisms.

Long-Term Security Practices

Regularly monitor and update security configurations.
Conduct security assessments to identify and address vulnerabilities.

Patching and Updates

Apply patches or updates provided by the vendor to fix the vulnerability.