Medium severity6.4NVD Advisory· Published Jun 13, 2018· Updated Jun 17, 2026
CVE-2018-12271
CVE-2018-12271
Description
An issue was discovered in the com.getdropbox.Dropbox app 100.2 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
1- Range: =100.2
Patches
Vulnerability mechanics
References
3- gist.github.com/tanprathan/6e8ed195a2e05b7f9d9a342dbdacb349nvdIssue TrackingThird Party AdvisoryTool Signature
- hackerone.com/reports/363544nvdIssue TrackingThird Party Advisory
- www.dropbox.com/s/n880ob3gtvfwryu/20180609_013320.mp4nvdBroken LinkPermissions Required
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