TEMENOS T24 is a comprehensive banking software platform that integrates and manages all core banking capabilities, such as account management and transactions, customer management, risk and compliance, and product and channel management. It empowers banks and financial institutions to offer innovative and personalized banking experiences to their customers while reducing operational costs and risks. TEMENOS T24 is widely used by banks, credit unions, and microfinance institutions worldwide.
One of the vulnerabilities detected in TEMENOS T24 is CVE-2019-14251. This vulnerability allows attackers to access files or directories that are outside of the restricted directory by leveraging downloadDocServer() in the login page's JavaScript functions. This exploit is possible because the WealthT24/GetImage is used with the docDownloadPath and uploadLocation parameters.
If exploited, CVE-2019-14251 can lead to severe consequences for banks and financial institutions. Attackers can gain access to sensitive customer data, such as account details, personal information, and transaction history. They can also manipulate or delete critical files, disrupt banking operations, and cause reputational damage. Moreover, regulatory compliance can be compromised, resulting in legal fines and penalties.
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To protect against CVE-2019-14251, banks and financial institutions can take the following precautions:
- Install the latest security patches and updates for TEMENOS T24.
- Review and restrict user access rights and privileges to critical files and directories.
- Implement network segmentation and firewall rules to isolate critical systems and services.
- Use intrusion detection and prevention systems to monitor and block suspicious activities.
- Conduct regular security audits and penetration testing to identify and remediate vulnerabilities.
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