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VULNERABILITIES

CVE-2018-13434 Details

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

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.3 MEDIUMVector:CVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://gist.github.com/tanprathan/f5133651e438b2ad1b39172d52b56115 CVEExploitThird Party Advisory
https://gist.github.com/tanprathan/f5133651e438b2ad1b39172d52b56115 [email protected]ExploitThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-287Improper Authentication[email protected]

Affected Products

ProductVersions
linecorp line
8.8.0

CPE

  • cpe:2.3:a:linecorp:line:8.8.0:*:*:*:*:iphone_os:*:*

Remediation

  • No remediation found in references.

Change History

9 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2018-13434
NVD Published Date:
Aug 16, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2018-13434 Details - Not Deferred