CVE-2024-8367 in Probate Back Office
Summary
by MITRE • 09/01/2024
A vulnerability was found in HM Courts & Tribunals Service Probate Back Office up to c1afe0cdb2b2766d9e24872c4e827f8b82a6cd31. It has been classified as problematic. Affected is an unknown function of the file src/main/java/uk/gov/hmcts/probate/service/NotificationService.java of the component Markdown Handler. The manipulation leads to injection. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The patch is identified as d90230d7cf575e5b0852d56660104c8bd2503c34. It is recommended to apply a patch to fix this issue.
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Analysis
by VulDB Data Team • 09/04/2024
This vulnerability exists within the HM Courts & Tribunals Service Probate Back Office application where a security flaw was discovered in the Markdown Handler component. The issue resides in the NotificationService.java file at src/main/java/uk/gov/hmcts/probate/service/NotificationService.java, indicating that the application processes markdown content through a vulnerable handler that could be exploited by malicious actors. The vulnerability has been classified as problematic and represents a potential injection attack vector that could compromise the system's integrity and security posture.
The technical flaw manifests as an injection vulnerability within an unknown function of the markdown handler component, suggesting that user-supplied input or content may not be properly sanitized before being processed through the markdown parsing mechanism. This type of vulnerability falls under the Common Weakness Enumeration category of injection flaws, specifically CWE-74 which covers "Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')". The vulnerability allows attackers to manipulate the system through input that gets processed by the markdown handler, potentially leading to unauthorized code execution or data manipulation.
The operational impact of this vulnerability is significant for the HM Courts & Tribunals Service as it affects their probate back office system which handles sensitive legal documentation and case information. The continuous delivery with rolling releases deployment model means that the system is frequently updated, but unfortunately this also means that specific version information is not available for either the affected or fixed releases. This lack of version clarity complicates the assessment of risk and the implementation of targeted remediation measures. The system's operational continuity could be compromised if an attacker successfully exploits this vulnerability, potentially leading to data breaches, unauthorized access to court records, or disruption of legal proceedings.
The patch identified as d90230d7cf575e5b0852d56660104c8bd2503c34 provides the necessary fix to address this injection vulnerability. Security practitioners should immediately apply this patch to all affected instances of the Probate Back Office system. Additionally, organizations should implement proper input validation and sanitization measures for all markdown processing components, following the ATT&CK framework's guidance on preventing injection attacks through proper data handling and sanitization techniques. The remediation process should include thorough testing of the patched version to ensure that the fix does not introduce regressions in the system's functionality while maintaining the security enhancements needed to protect sensitive court data.