CVE-2022-35298 : Security Advisory and Response

A Cross-Site Scripting vulnerability in SAP NetWeaver Enterprise Portal (KMC) version 7.50 can compromise user sessions, impacting confidentiality and integrity.

Understanding CVE-2022-35298

This CVE involves a security flaw in SAP NetWeaver Enterprise Portal (KMC) version 7.50 that allows malicious scripts to be executed, posing a risk to user sessions.

What is CVE-2022-35298?

The vulnerability arises from insufficient encoding of user-controlled inputs in the KMC servlet, enabling Cross-Site Scripting attacks. Attackers can execute scripts in the context of portal users, potentially leading to session hijacking.

The Impact of CVE-2022-35298

Exploiting this vulnerability could result in unauthorized access to sensitive information, manipulation of user data, and session compromise. It poses a significant risk to the confidentiality and integrity of user sessions within the SAP NetWeaver Enterprise Portal (KMC).

Technical Details of CVE-2022-35298

The vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'). Here are the specifics:

Vulnerability Description

The flaw lies in the inadequate encoding of user inputs within the KMC servlet, allowing attackers to inject and execute malicious scripts.

Affected Systems and Versions

SAP NetWeaver Enterprise Portal (KMC) version 7.50 is confirmed to be affected by this vulnerability.

Exploitation Mechanism

Attackers can craft specially designed inputs to trigger the execution of malicious scripts within the portal, exploiting user sessions.

Mitigation and Prevention

To address CVE-2022-35298, organizations should take immediate and long-term security measures to safeguard their systems and data.

Immediate Steps to Take

Apply security patches or updates provided by SAP to fix the vulnerability promptly.
Monitor portal activities for any signs of unauthorized script execution or unusual behavior.

Long-Term Security Practices

Implement secure coding practices to sanitize and validate user inputs to prevent XSS vulnerabilities.
Conduct regular security assessments and audits to identify and mitigate potential security risks.

Patching and Updates

Stay informed about security advisories from SAP and apply patches or updates regularly to address known vulnerabilities.