CVE-2018-17053 : Security Advisory and Response

Progress Sitefinity CMS versions 10.0 through 11.0 contain a cross-site scripting (XSS) vulnerability in the Identity Server, allowing attackers to inject malicious scripts into login requests.

Understanding CVE-2018-17053

This CVE involves a security flaw in Progress Sitefinity CMS versions 10.0 through 11.0 that can be exploited through cross-site scripting (XSS) attacks.

What is CVE-2018-17053?

The vulnerability in the Identity Server of Progress Sitefinity CMS versions 10.0 through 11.0 allows remote attackers to insert their own web script or HTML into login requests.
Attackers exploit specific vectors associated with the parameters of the requests to execute this cross-site scripting attack.
It is crucial to differentiate this vulnerability from CVE-2018-17054, as they are distinct issues.

The Impact of CVE-2018-17053

Attackers can potentially compromise user data, execute unauthorized actions, and manipulate the content of login requests.
This vulnerability poses a risk to the confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2018-17053

Progress Sitefinity CMS versions 10.0 through 11.0 are susceptible to the following:

Vulnerability Description

The XSS vulnerability in the Identity Server allows remote attackers to inject arbitrary web scripts or HTML code through login request parameters.

Affected Systems and Versions

Progress Sitefinity CMS versions 10.0 through 11.0 are impacted by this vulnerability.

Exploitation Mechanism

Attackers exploit specific vectors related to login request parameters to inject malicious scripts into the system.

Mitigation and Prevention

It is essential to take immediate steps to address and prevent the exploitation of CVE-2018-17053:

Immediate Steps to Take

Update Progress Sitefinity CMS to the latest patched version that addresses the XSS vulnerability.
Implement input validation mechanisms to sanitize user inputs and prevent script injection.

Long-Term Security Practices

Regularly monitor and audit web applications for security vulnerabilities, including XSS issues.
Educate developers and administrators on secure coding practices to mitigate XSS risks.

Patching and Updates

Stay informed about security advisories and updates from Progress Sitefinity CMS to apply patches promptly and enhance system security.