CVE-2018-2365 : What You Need to Know

SAP NetWeaver Portal WebDynpro RunTime versions 7.30, 7.31, 7.40, and 7.50 are affected by a Cross-Site Scripting (XSS) vulnerability due to insufficient encoding of user inputs.

Understanding CVE-2018-2365

This CVE involves a security issue in SAP NetWeaver Portal WebDynpro RunTime versions 7.30, 7.31, 7.40, and 7.50, leading to a Cross-Site Scripting vulnerability.

What is CVE-2018-2365?

CVE-2018-2365 is a Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver Portal, specifically in WebDynpro Java versions 7.30, 7.31, 7.40, and 7.50. The flaw arises from inadequate encoding of user-controlled inputs.

The Impact of CVE-2018-2365

This vulnerability could allow attackers to execute malicious scripts in the context of a user's browser, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2018-2365

SAP NetWeaver Portal WebDynpro RunTime versions 7.30, 7.31, 7.40, and 7.50 are susceptible to Cross-Site Scripting attacks due to input encoding issues.

Vulnerability Description

The XSS vulnerability in SAP NetWeaver Portal WebDynpro RunTime versions 7.30, 7.31, 7.40, and 7.50 stems from the lack of proper encoding of user-controlled inputs, enabling attackers to inject and execute malicious scripts.

Affected Systems and Versions

Product: SAP NetWeaver Portal WebDynpro RunTime
Vendor: SAP SE
Vulnerable Versions: 7.30, 7.31, 7.40, 7.50

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into vulnerable web applications, which are then executed in the browsers of unsuspecting users.

Mitigation and Prevention

To address CVE-2018-2365, follow these steps:

Immediate Steps to Take

Apply security patches provided by SAP to fix the XSS vulnerability.
Regularly monitor and restrict user inputs to prevent malicious script injections.

Long-Term Security Practices

Conduct regular security assessments and code reviews to identify and mitigate XSS vulnerabilities.
Educate developers on secure coding practices to prevent similar issues in the future.

Patching and Updates

Stay informed about security updates and patches released by SAP for the affected versions.