CVE-2023-6542 : Vulnerability Insights and Analysis

This CVE-2023-6542 pertains to an improper export of Android application components in SAP EMARSYS SDK ANDROID, potentially allowing attackers to navigate to arbitrary URLs, including application deep links on affected devices.

Understanding CVE-2023-6542

The vulnerability in SAP EMARSYS SDK ANDROID arises due to the lack of proper authorization checks, enabling attackers to call a specific activity and forward themselves web pages and deep links without validation directly from the host application.

What is CVE-2023-6542?

The CVE-2023-6542 vulnerability allows attackers to exploit the lack of proper authorization checks in SAP EMARSYS SDK for Android, leading to unauthorized navigation to arbitrary URLs and application deep links on devices.

The Impact of CVE-2023-6542

With a CVSS base score of 7.1 (High Severity), the vulnerability poses a significant risk to confidentiality and integrity, as attackers can navigate to unauthorized URLs, potentially leading to data exposure or manipulation.

Technical Details of CVE-2023-6542

The vulnerability is categorized under CWE-863 (Incorrect Authorization) and has a CVSS v3.1 base score of 7.1, indicating a high severity issue with low attack complexity and privileges required.

Vulnerability Description

Due to the lack of proper authorization checks in SAP EMARSYS SDK for Android, attackers can exploit this flaw to navigate to arbitrary URLs and application deep links without validation.

Affected Systems and Versions

The vulnerability impacts SAP EMARSYS SDK ANDROID version 100.

Exploitation Mechanism

Attackers can exploit this vulnerability by calling a specific activity in the SDK, enabling them to navigate to unauthorized URLs and deep links on the device.

Mitigation and Prevention

To address CVE-2023-6542 and mitigate the associated risks, follow these steps:

Immediate Steps to Take

Update SAP EMARSYS SDK ANDROID to the latest patched version.
Implement proper authorization checks in the SDK to validate activities and URLs.
Monitor and restrict user interaction with application deep links to prevent unauthorized navigation.

Long-Term Security Practices

Conduct regular security assessments and code reviews to identify and address vulnerabilities.
Educate developers on secure coding practices, especially regarding authorization checks and data validation.
Stay informed about security updates and advisories from SAP to promptly address any emerging threats.

Patching and Updates

Apply security patches and updates released by SAP for SAP EMARSYS SDK ANDROID to ensure the mitigation of CVE-2023-6542 and other potential vulnerabilities.