CVE-2017-2412 in iOS
Summary
by MITRE
An issue was discovered in certain Apple products. iOS before 10.3 is affected. The issue involves the "iTunes Store" component. It allows man-in-the-middle attackers to modify the client-server data stream to iTunes sandbox web services by leveraging use of cleartext HTTP.
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Analysis
by VulDB Data Team • 11/21/2022
The vulnerability identified as CVE-2017-2412 represents a critical security flaw in Apple's iOS operating system affecting versions prior to 10.3. This weakness resides within the iTunes Store component and demonstrates a fundamental failure in secure communications handling. The issue specifically targets the iTunes sandbox web services that facilitate interactions between iOS devices and Apple's digital storefront. Attackers exploiting this vulnerability can manipulate data streams during client-server communications, effectively compromising the integrity of transactions and user interactions with Apple's services. The vulnerability's classification aligns with CWE-319, which addresses cleartext transmission of sensitive information over network connections, making it particularly dangerous in environments where network traffic interception is possible. The security implications extend beyond simple data modification to encompass potential unauthorized access to user accounts, fraudulent transactions, and exposure of sensitive personal information.
The technical exploitation of this vulnerability relies on the use of cleartext HTTP protocols within the iTunes Store implementation rather than secure HTTPS connections. This design flaw allows attackers positioned within the network path between iOS devices and Apple's servers to perform man-in-the-middle attacks with relative ease. The attack vector specifically targets the iTunes sandbox web services, which handle various functions including app purchases, media downloads, and account management operations. When iOS devices communicate with these services using unencrypted HTTP connections, network traffic becomes vulnerable to interception, modification, and potential injection of malicious content. The vulnerability's impact is particularly severe because it affects core functionality of Apple's ecosystem, potentially allowing attackers to alter transaction details, redirect users to malicious sites, or inject fraudulent content into legitimate iTunes Store communications.
The operational impact of CVE-2017-2412 extends beyond individual user privacy concerns to encompass broader security implications for Apple's digital ecosystem and user trust. Users conducting transactions through the iTunes Store could have their purchase details altered without detection, potentially leading to unauthorized charges or access to premium content without payment. The vulnerability also creates opportunities for attackers to manipulate account information, potentially enabling account takeover scenarios or fraudulent access to user data. From an attacker perspective, this vulnerability operates under the ATT&CK framework's T1046 technique for network service scanning and T1071 for application layer protocol usage, specifically targeting the iTunes Store's HTTP communications. The flaw's persistence across multiple iOS versions demonstrates a systemic security issue in Apple's implementation of secure communications protocols for their digital storefront services.
Mitigation strategies for CVE-2017-2412 primarily focus on upgrading affected iOS devices to version 10.3 or later, which includes the necessary security patches to enforce secure HTTPS communications with iTunes Store services. System administrators and security professionals should also implement network monitoring solutions to detect unusual traffic patterns that might indicate exploitation attempts. Organizations using Apple devices for business purposes should ensure comprehensive patch management processes are in place to prevent exploitation of this vulnerability. Additional protective measures include implementing network segmentation to limit exposure, deploying intrusion detection systems specifically configured to monitor for cleartext HTTP traffic to Apple services, and conducting regular security assessments of mobile device management configurations. The vulnerability's resolution demonstrates Apple's commitment to addressing security flaws in their ecosystem, though it also highlights the importance of secure coding practices and the necessity of implementing end-to-end encryption for all communications between client applications and server services.