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VULNERABILITIES

CVE-2018-15543 Details

Description

An issue was discovered in the org.telegram.messenger application 4.8.11 for Android. The FingerprintManager class for Biometric validation allows authentication bypass through the callback method from onAuthenticationFailed to onAuthenticationSucceeded with null, because the fingerprint API in conjunction with the Android keyGenerator class is not implemented. 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 Android devices on which rooting has occurred

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.8 MEDIUMVector:CVSS:3.0/AV:P/AC:L/PR:N/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/d286c0d5b02e344606287774304a1ccd CVEThird Party Advisory
https://gist.github.com/tanprathan/d286c0d5b02e344606287774304a1ccd [email protected]Third Party Advisory

Weakness Enumeration

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

Affected Products

ProductVersions
telegram telegram
4.8.11

CPE

  • cpe:2.3:a:telegram:telegram:4.8.11:*:*:*:*:android:*:*

Remediation

  • No remediation found in references.

Change History

10 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2018-15543
NVD Published Date:
Oct 9, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2018-15543 Details - Not Deferred