Source: cve@mitre.org
Cross-site scripting (XSS) vulnerability in the Create Catalogue feature in Hybris Management Console (HMC) in SAP Hybris before 5.2.0.13, 5.3.x before 5.3.0.11, 5.4.x before 5.4.0.11, 5.5.0.x before 5.5.0.10, 5.5.1.x before 5.5.1.11, 5.6.x before 5.6.0.11, and 5.7.x before 5.7.0.15 allows remote authenticated users to inject arbitrary web script or HTML via the ID field.
SAP Hybris Management Console (HMC) is vulnerable to a cross-site scripting (XSS) attack, allowing authenticated users to inject malicious scripts into the application. This vulnerability, stemming from insufficient input validation in the 'Create Catalogue' feature, could lead to account compromise, data theft, and website defacement.
Step 1: Authentication: The attacker must first authenticate to the Hybris Management Console (HMC) with valid credentials. This is a prerequisite for exploiting the vulnerability.
Step 2: Payload Delivery: The attacker navigates to the 'Create Catalogue' feature within the HMC.
Step 3: Malicious Input: The attacker enters a crafted payload (e.g., <script>alert('XSS')</script>) into the 'ID' field when creating the catalog.
Step 4: Stored Payload: The malicious payload is stored within the Hybris database associated with the newly created catalog.
Step 5: Victim Interaction: A legitimate user with sufficient privileges (e.g., administrator) views the catalog details or interacts with a page that displays the catalog ID.
Step 6: Payload Execution: The browser of the legitimate user renders the catalog ID, executing the attacker's injected JavaScript payload.
Step 7: Exploitation: The injected JavaScript executes within the context of the legitimate user's session, enabling the attacker to perform actions such as session hijacking, data theft, or website defacement.
The vulnerability lies within the 'Create Catalogue' feature of the Hybris Management Console (HMC). Specifically, the application fails to properly sanitize user-supplied input within the 'ID' field when creating a new catalog. This allows an attacker to inject malicious JavaScript or HTML code. When a user with sufficient privileges views the catalog information, the injected script executes within their browser, enabling a range of attacks, including session hijacking, phishing, and data exfiltration. The root cause is a lack of proper input validation and output encoding of the 'ID' field, allowing for the injection of arbitrary code. The application fails to escape special characters or employ other security measures to prevent the execution of malicious scripts. This is a classic example of a stored XSS vulnerability.
There is no specific APT or malware directly tied to this specific CVE. However, any threat actor targeting e-commerce platforms could potentially leverage this vulnerability. The impact is high, but the need for authentication reduces the likelihood of widespread exploitation. CISA KEV: Not Listed.
Network Intrusion Detection Systems (IDS): Monitor network traffic for suspicious HTTP requests containing JavaScript or HTML tags within the 'ID' parameter of requests to the HMC.
Web Application Firewalls (WAF): Implement WAF rules to detect and block XSS payloads in the 'ID' field of catalog creation requests.
Log Analysis: Review HMC server logs for unusual activity, such as the creation of catalogs with suspicious names or IDs containing HTML or JavaScript. Specifically look for the use of <script>, <iframe>, onload, onerror, and other potentially malicious tags.
Security Information and Event Management (SIEM): Configure SIEM systems to alert on the above log events and network traffic patterns.
File Integrity Monitoring (FIM): Monitor the integrity of critical HMC files for unauthorized modifications.
Upgrade: Upgrade to a patched version of SAP Hybris that addresses the vulnerability. See the 'Affected Products' section for specific version details.
Input Validation: Implement robust input validation on the 'ID' field to sanitize and filter out malicious characters and scripts. Specifically, ensure that user-supplied input is properly validated against a whitelist of acceptable characters and that special characters are escaped.
Output Encoding: Implement proper output encoding (e.g., HTML encoding) to prevent the execution of injected scripts when displaying the catalog ID.
Content Security Policy (CSP): Implement a Content Security Policy (CSP) to restrict the sources from which the browser can load resources, mitigating the impact of XSS attacks.
Regular Security Audits: Conduct regular security audits and penetration testing to identify and address vulnerabilities.
Least Privilege: Enforce the principle of least privilege, granting users only the necessary permissions to perform their tasks. This limits the impact of a successful XSS attack.
Web Application Firewall (WAF): Deploy and configure a WAF to detect and block XSS attacks at the network level.