CVE-2020-12082 in Code Insight
Summary
by MITRE • 09/18/2021
A stored cross-site scripting issue impacts certain areas of the Web UI for Code Insight v7.x releases up to and including 2020 R1 (7.11.0-64).
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Analysis
by VulDB Data Team • 09/22/2021
The stored cross-site scripting vulnerability identified as CVE-2020-12082 affects the Code Insight web interface within version 7.x releases up to and including the 2020 R1 release. This security flaw represents a critical weakness in the application's input validation and output encoding mechanisms, allowing attackers to inject malicious scripts into the web application's user interface. The vulnerability specifically targets areas of the web UI where user-supplied data is stored and subsequently rendered without proper sanitization, creating an environment where persistent XSS attacks can occur.
The technical implementation of this vulnerability stems from inadequate sanitization of user input within the Code Insight application's web interface. When users submit data through various input fields or upload content that gets stored in the application's database, the system fails to properly encode or validate this content before rendering it back to other users. This allows an attacker to submit malicious JavaScript code that persists in the application's storage and executes whenever other users view the affected content. The vulnerability is classified as a stored XSS issue because the malicious payload is stored server-side and executed against users who access the compromised content, rather than requiring immediate interaction with a malicious link.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it can enable sophisticated attack vectors including session hijacking, credential theft, and privilege escalation within the Code Insight environment. Attackers can leverage this vulnerability to execute arbitrary code in the context of other users' browsers, potentially gaining access to sensitive information, modifying data, or performing actions on behalf of authenticated users. The affected version range of 7.11.0-64 indicates that organizations using this specific release are at risk, and the vulnerability affects all areas of the web UI where user content is processed and displayed. This presents significant risk to development teams relying on Code Insight for code analysis and security monitoring, as compromised interfaces could lead to broader security incidents within development environments.
Mitigation strategies for this vulnerability should include immediate patching of affected systems to the latest available version of Code Insight that addresses this specific XSS flaw. Organizations should also implement comprehensive input validation and output encoding mechanisms across all user-facing interfaces to prevent similar issues from occurring in other parts of their applications. The implementation of content security policies and proper sanitization of user-generated content represents essential defensive measures that align with industry best practices and standards such as those outlined in CWE-79 for cross-site scripting vulnerabilities. Additionally, regular security testing and vulnerability assessments should be conducted to identify and remediate similar issues before they can be exploited by malicious actors, following the principles established in the ATT&CK framework's web application attack patterns that emphasize the importance of preventing and detecting persistent XSS vulnerabilities in enterprise applications.