CVE Vulnerability

CVE-2021-33839

Luca through 1.7.4 on Android allows remote attackers to obtain sensitive information about COVID-19 tracking because the QR code of a Public Location can be intentionally confused with the QR code of a Private Meeting.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/mame82/misc/blob/master/luca_traceIds.md Third Party Advisory
https://twitter.com/patrick_hennig/status/1387738281757061125 Third Party Advisory
https://luca-app.de/securityoverview/properties/objectives.html Vendor Advisory
https://youtu.be/jWyDfEB0m08 Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:luca-app:luca:*:*:*:*:*:android:*:*
Information

Published : 2021-06-04 12:15

Updated : 2021-06-07 06:08

NVD link : CVE-2021-33839

Mitre link : CVE-2021-33839

Products Affected
No products.
CWE
CWE-200