CVE-2024-40862 in Xcode
Summary
by MITRE • 09/17/2024
A privacy issue was addressed by removing sensitive data. This issue is fixed in Xcode 16. An attacker may be able to determine the Apple ID of the owner of the computer.
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Analysis
by VulDB Data Team • 09/18/2024
The vulnerability identified as CVE-2024-40862 represents a significant privacy concern within Apple's development ecosystem, specifically affecting Xcode versions prior to 16. This issue stems from improper handling of sensitive user information during the development process, creating potential exposure of Apple ID credentials. The flaw allows adversaries to potentially extract and determine the Apple ID associated with a computer system, compromising user privacy and authentication security. The vulnerability exists in the way Xcode manages and processes user authentication data during development workflows, particularly when accessing Apple services and developer tools.
The technical implementation of this vulnerability involves the insecure processing of Apple ID information within Xcode's development environment. When developers interact with Apple's developer services, the system may inadvertently expose or log Apple ID credentials in accessible locations or logs. This occurs through improper data sanitization and logging mechanisms that fail to adequately protect sensitive authentication information. The flaw demonstrates poor input validation and data handling practices that violate fundamental security principles for protecting user credentials and authentication tokens. According to CWE classification, this vulnerability aligns with CWE-209, which addresses "Information Exposure Through an Error Message," and CWE-312, which covers "Sensitive Data Exposure." The issue specifically manifests when Xcode components interact with Apple's authentication systems, creating pathways for unauthorized information disclosure.
The operational impact of CVE-2024-40862 extends beyond simple privacy concerns to potentially enable more sophisticated attacks within the development environment. An attacker who successfully exploits this vulnerability could gain unauthorized access to developer accounts, potentially leading to code injection, unauthorized app deployments, or access to confidential development resources. The exposure of Apple IDs creates opportunities for credential theft and account takeover scenarios, particularly in environments where multiple developers collaborate on projects. This vulnerability particularly affects organizations that rely heavily on Xcode for iOS and macOS application development, where the compromised credentials could provide access to Apple Developer Program resources, provisioning profiles, and distribution certificates. The attack surface is further expanded when considering that Apple ID credentials often grant access to multiple services beyond just development tools, potentially enabling broader system compromise.
Mitigation strategies for CVE-2024-40862 require immediate adoption of Xcode 16 or later versions, which contain the necessary patches and security improvements to address the privacy issue. Organizations should implement comprehensive monitoring of development environments to detect any potential unauthorized access attempts or credential exposure incidents. Security teams must conduct thorough reviews of existing development workflows and logging mechanisms to ensure sensitive data is properly sanitized and protected. The fix implemented in Xcode 16 addresses the root cause by modifying how the development environment handles Apple ID information and implements proper data sanitization protocols. Additionally, organizations should enforce strict access controls and multi-factor authentication for all developer accounts, while implementing regular security audits of development environments. The remediation process should include reviewing and updating security policies to prevent similar issues in future development tool implementations, aligning with ATT&CK framework techniques related to credential access and privilege escalation. System administrators should also consider implementing network monitoring solutions to detect any unusual patterns of Apple ID credential access or authentication attempts that could indicate exploitation attempts.