CVE-2019-8625 in iClouds
Summary
by MITRE
A logic issue was addressed with improved state management. This issue is fixed in tvOS 13, iTunes for Windows 12.10.1, iCloud for Windows 10.7, iCloud for Windows 7.14. Processing maliciously crafted web content may lead to universal cross site scripting.
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Analysis
by VulDB Data Team • 03/15/2024
The vulnerability identified as CVE-2019-8625 represents a critical logic flaw in Apple's software ecosystem that affects multiple platforms including tvOS, iTunes for Windows, and iCloud for Windows. This issue stems from inadequate state management within the affected applications, creating a pathway for malicious actors to exploit cross-site scripting vulnerabilities through crafted web content. The vulnerability manifests when applications process untrusted web content without proper sanitization mechanisms, allowing attackers to inject malicious scripts that can execute within the context of the user's session.
The technical nature of this vulnerability aligns with CWE-79 which describes cross-site scripting flaws where applications fail to properly validate or escape user-supplied data before rendering it in web pages. The flaw specifically impacts how the affected applications manage their internal states when processing web content, creating a condition where malicious scripts can persist and execute across different contexts. This logic issue enables attackers to craft web pages that, when loaded by vulnerable applications, can execute arbitrary code with the privileges of the user running the affected software.
The operational impact of CVE-2019-8625 extends beyond simple script execution, as it creates a universal cross-site scripting condition that can affect multiple platforms simultaneously. Attackers can leverage this vulnerability to perform session hijacking, steal sensitive information, or redirect users to malicious sites without requiring any user interaction beyond visiting a compromised webpage. The vulnerability affects not only individual users but also enterprise environments where iCloud and iTunes integration may be used for corporate data management, potentially allowing attackers to access business-critical information stored in cloud services.
Mitigation strategies for this vulnerability require immediate patching of all affected software versions as specified in the advisory. Organizations should ensure that all instances of tvOS 13, iTunes for Windows 12.10.1, and iCloud for Windows 10.7/7.14 are updated to their latest versions. Additionally, network administrators should implement web filtering solutions and content security policies to prevent access to known malicious domains. The remediation process should also include user education about the risks of visiting untrusted websites and the importance of keeping software updated. From an ATT&CK framework perspective, this vulnerability maps to T1059.001 for command and script interpreter execution and T1566 for phishing techniques, as attackers may use this vulnerability to deliver malicious payloads through social engineering campaigns. Organizations should also consider implementing application whitelisting policies to prevent execution of unauthorized scripts and establish monitoring procedures to detect potential exploitation attempts through unusual network traffic patterns or system behavior anomalies.