CVE-2021-3285 in Code Composer Studio IDE
Summary
by MITRE • 01/26/2021
jxbrowser in TI Code Composer Studio IDE 8.x through 10.x before 10.1.1 does not verify X.509 certificates for HTTPS.
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Analysis
by VulDB Data Team • 02/20/2021
The vulnerability identified as CVE-2021-3285 affects the jxbrowser component within Texas Instruments Code Composer Studio IDE versions 8.x through 10.x prior to 10.1.1. This represents a critical security flaw that undermines the integrity of secure communications within the development environment. The issue stems from the absence of proper X.509 certificate verification during HTTPS connections, which creates a significant attack surface for man-in-the-middle and related cryptographic attacks. The affected software ecosystem operates within the context of embedded systems development, where developers frequently access remote repositories, documentation sites, and cloud services that require secure HTTPS communication.
The technical flaw manifests as a failure in the certificate validation process that should occur during HTTPS handshakes. When jxbrowser attempts to establish secure connections to HTTPS endpoints, it bypasses the standard X.509 certificate verification procedures that are fundamental to secure web communications. This vulnerability directly maps to CWE-295 which specifically addresses "Improper Certificate Validation" and falls under the broader category of weak cryptographic implementations. The absence of certificate validation allows attackers to present fraudulent certificates that would normally be rejected by proper validation mechanisms, effectively disabling the security guarantees that HTTPS is designed to provide.
The operational impact of this vulnerability extends beyond simple security concerns to potentially compromise the entire development workflow. Developers using affected versions of Code Composer Studio may unknowingly connect to malicious endpoints that could serve compromised software updates, redirect them to phishing sites, or intercept sensitive development data and credentials. This threat is particularly concerning in embedded systems development environments where intellectual property, source code, and development tools often contain sensitive information. The vulnerability creates opportunities for attackers to inject malicious code into the development process, potentially compromising not just the local development environment but also the final embedded systems that developers are creating. Attackers could exploit this weakness to perform credential theft, deploy backdoors, or manipulate software updates that flow through the development pipeline.
Mitigation strategies for this vulnerability require immediate attention from organizations using affected versions of Code Composer Studio. The most effective remediation involves upgrading to TI Code Composer Studio version 10.1.1 or later, which includes the necessary certificate validation fixes. Organizations should also implement network-level monitoring to detect suspicious HTTPS traffic patterns and consider deploying additional security controls such as proxy servers with SSL inspection capabilities. Security teams should conduct comprehensive assessments of their development environments to identify all instances of the vulnerable software and ensure proper patch management processes are in place. The vulnerability highlights the importance of maintaining secure development practices and underscores the need for continuous security monitoring in development environments, as documented in various ATT&CK framework techniques related to credential access and defense evasion. Organizations should also consider implementing network segmentation and access controls to limit the potential impact of successful exploitation attempts.