A buggy new notification feature that was found to contain multiple significant vulnerabilities by a security researcher has seen Apple pullback and disable the feature entirely.
Released for users of the iPhone and iPad, Apple introduced a “Notify” button in November 2016, one that provided alerts to users when any game or application became available on the App Store. Whilst successful for a number of obvious reasons, security researcher Benjamin Kunz Merjri from Vulnerability Lab discovered multiple flaws in the Notify feature.
An excerpt from the description of the vulnerability, as described by the researcher reads:
An application0side input validation web vulnerability has been discovered in the official Apple – App Store and iTunes Store online-service web-application. The vulnerability allows remote attackers to inject own malicious script codes on the application-side of the vulnerable context function or service module.
Fundamentally, a successful exploitation of the vulnerability could lead to persistent phishing attacks, a complete session hijack, persistent manipulation of affected services or connected service module context. The exploit could even lead to a persistent redirect to external sources.
The second vulnerability surfaces when the remote attacker is allowed to set the victim’s iCloud email ID as his/her primary email address. This, without any approval or confirmation required from the victim’s side. In essence, whenever an unreleased app becomes available, Apple will, by default, send an email to the victim’s address, compromised by the attacker. When the victim finally receives that email from Apple, it will contain the malicious payload inserted by the attacker.
The third and final flaw is with Apple’s email client, which fails to scan the content of the email as the malicious payload is bound to get executed on the victim’s end.
Apple has been notified of the issue and is currently working toward a fix.
Image credit: Pexels.
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