Medium severity6.3NVD Advisory· Published Aug 16, 2018· Updated Jun 17, 2026
CVE-2018-13434
CVE-2018-13434
Description
An issue was discovered in the LINE jp.naver.line application 8.8.0 for iOS. The LAContext class for Biometric (TouchID) validation allows authentication bypass by overriding the LAContext return Boolean value to be "true" because the kSecAccessControlUserPresence protection mechanism is not used. In other words, an attacker could authenticate with an arbitrary fingerprint. NOTE: the vendor indicates that this is not an attack of interest within the context of their threat model, which excludes iOS devices on which a jailbreak has occurred
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Affected products
1Patches
Vulnerability mechanics
References
1- gist.github.com/tanprathan/f5133651e438b2ad1b39172d52b56115nvdExploitThird Party Advisory
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