CVE-2023-6353 : Security Advisory and Response

This CVE record was published by CISA-CG on November 30, 2023, highlighting a vulnerability in Tyler Technologies Civil and Criminal Electronic Filing system.

Understanding CVE-2023-6353

This CVE concerns a security flaw that allows an unauthenticated, remote attacker to manipulate the 'enky' parameter in the Upload.aspx feature of Tyler Technologies' Civil and Criminal Electronic Filing system. This vulnerability could enable attackers to upload, delete, and view files without proper authentication.

What is CVE-2023-6353?

CVE-2023-6353 is a vulnerability categorized under CWE-287 - Improper Authentication. It poses a medium severity risk with a CVSS base score of 5.3. The attack complexity is low, requiring no privileges and user interaction, with a network-based attack vector.

The Impact of CVE-2023-6353

The impact of this vulnerability lies in the unauthorized access and manipulation of files within the Tyler Technologies Civil and Criminal Electronic Filing system. If exploited, it could result in unauthorized disclosure of sensitive information and potential data loss.

Technical Details of CVE-2023-6353

The vulnerability allows attackers to bypass authentication and perform file operations by exploiting the Upload.aspx 'enky' parameter. Affected by this issue is the version 0 of the Civil and Criminal Electronic Filing product by Tyler Technologies.

Vulnerability Description

The vulnerability in the Tyler Technologies system enables unauthenticated users to upload, delete, and view files by manipulating a specific parameter, leading to potential unauthorized access to sensitive data.

Affected Systems and Versions

The affected product is the Civil and Criminal Electronic Filing system by Tyler Technologies, specifically version 0. Users of this product should be aware of the security risk posed by this vulnerability.

Exploitation Mechanism

By manipulating the 'enky' parameter within the Upload.aspx feature, remote attackers can circumvent authentication measures and gain unauthorized access to file operations within the Tyler Technologies system.

Mitigation and Prevention

Organizations utilizing Tyler Technologies Civil and Criminal Electronic Filing are advised to take immediate action to mitigate the risks associated with CVE-2023-6353.

Immediate Steps to Take

Immediate actions include implementing security patches provided by Tyler Technologies, restricting access to the affected feature, and monitoring for any suspicious file activities.

Long-Term Security Practices

Long-term security practices should involve regular security assessments, user access controls, and ensuring timely updates and patches for the software to prevent similar vulnerabilities in the future.

Patching and Updates

Tyler Technologies may release patches or updates to address the vulnerability in the Civil and Criminal Electronic Filing system. It is crucial for users to apply these patches promptly to secure their systems and data from potential exploitation.