CVE-2017-2674 : Exploit Details and Defense Strategies
Learn about CVE-2017-2674, a vulnerability in JBoss BRMS and BPM Suite allowing stored XSS attacks through Business Central lists. Find mitigation steps and update information.
JBoss BRMS 6 and BPM Suite 6 before 6.4.3 are vulnerable to stored cross-site scripting (XSS) attacks through various lists in Business Central. This weakness allows authenticated attackers with specific permissions to inject scripts into lists, which are displayed unsanitized to other users, including administrators.
Understanding CVE-2017-2674
Versions of JBoss BRMS 6 and BPM Suite 6 earlier than 6.4.3 have a security flaw that enables stored XSS attacks through Business Central lists.
What is CVE-2017-2674?
- Lack of input validation in creating new lists leads to stored XSS vulnerabilities
- Attackers with list creation permissions can insert malicious scripts
- Scripts are not properly sanitized before being displayed to users
The Impact of CVE-2017-2674
- CVSS Base Score: 6.1 (Medium Severity)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Scope: Changed
- Confidentiality and Integrity Impact: Low
- Availability Impact: None
Technical Details of CVE-2017-2674
JBoss BRMS 6 and BPM Suite 6 before 6.4.3 are susceptible to stored XSS attacks through Business Central lists.
Vulnerability Description
- Inadequate validation of user input when generating new lists
- Authenticated attackers with list creation permissions can save scripts
- Scripts are not sanitized before being displayed to other users
Affected Systems and Versions
- Product: Business Central
- Vendor: Red Hat
- Versions Affected: 6.4.3 and earlier
Exploitation Mechanism
- Attackers with necessary permissions can inject scripts into lists
- Scripts are displayed without proper sanitization to users
Mitigation and Prevention
To address CVE-2017-2674, follow these steps:
Immediate Steps to Take
- Update JBoss BRMS and BPM Suite to version 6.4.3 or later
- Implement strict input validation and output encoding
- Regularly monitor and review user-generated content
Long-Term Security Practices
- Conduct regular security training for developers and administrators
- Employ secure coding practices to prevent XSS vulnerabilities
- Utilize web application firewalls to filter and block malicious scripts
Patching and Updates
- Apply security patches and updates provided by Red Hat
- Stay informed about security advisories and best practices