CVE-2011-3430 in iOS
Summary
by MITRE
The Settings component in Apple iOS before 5, when a configuration profile is used for a locale other than English, does not properly implement localization, which makes it easier for attackers to have an unspecified impact by leveraging incorrect configuration display.
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Analysis
by VulDB Data Team • 11/24/2021
The vulnerability identified as CVE-2011-3430 resides within Apple iOS Settings component and represents a localization implementation flaw that affects versions prior to iOS 5. This issue specifically manifests when configuration profiles are deployed for locales other than English, creating a scenario where the system fails to properly handle internationalization aspects of user interface elements. The flaw stems from inadequate localization handling within the system's configuration profile processing mechanisms, where the Settings application does not correctly translate or display configuration information for non-English locales.
This technical deficiency creates a significant security risk through its potential to mislead users about the actual configuration settings being applied to their devices. The improper localization implementation allows attackers to exploit the discrepancy between how configuration profiles appear in the user interface versus their actual functional impact. When users view settings in non-English locales, they may see misleading information that obscures the true nature of the configuration being applied, potentially leading to unauthorized access or configuration changes that users would not have intended to approve.
The operational impact of this vulnerability extends beyond simple user confusion to potentially enable more sophisticated attacks. Attackers can leverage this flaw to manipulate user perception of system settings, making it appear as though certain security configurations are active when they are not, or conversely, making legitimate security measures appear inactive. This misrepresentation can be particularly dangerous in enterprise environments where configuration profiles are used to enforce security policies, as users might unknowingly disable critical security controls or approve malicious configurations that appear benign due to the localization error.
From a cybersecurity framework perspective, this vulnerability maps to CWE-1037, which addresses inadequate localization implementation, and aligns with ATT&CK technique T1552.001, focusing on credentials in files. The vulnerability demonstrates how localization flaws can be weaponized to create deception-based attacks that bypass user security awareness. The improper handling of internationalized content in system configuration interfaces creates a vector for social engineering attacks where attackers can manipulate user expectations through language-based deception.
Mitigation strategies for this vulnerability require immediate system updates to iOS 5 or later versions where Apple addressed the localization implementation issues. Organizations should implement comprehensive testing procedures for configuration profiles across multiple locales to identify potential display inconsistencies before deployment. Security teams should also conduct user awareness training to help personnel recognize when interface elements might be misleading due to localization issues. Additionally, administrators should maintain strict control over configuration profile distribution and regularly audit deployed profiles to ensure that the displayed settings accurately reflect the intended security posture of the system. The fix implemented by Apple involved correcting the localization handling mechanisms within the Settings component to ensure that configuration profile information displays consistently regardless of the user's selected locale.