CVE-2021-33838

Luca through 1.7.4 on Android allows remote attackers to obtain sensitive information about COVID-19 tracking because requests related to Check-In State occur shortly after requests for Phone Number Registration.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

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

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/mame82/misc/blob/master/luca_traceIds.md	Third Party Advisory
https://luca-app.de/securityoverview/properties/objectives.html	Vendor Advisory
https://www.ccc.de/de/updates/2021/luca-app-ccc-fordert-bundesnotbremse	Third Party Advisory
https://www.youtube.com/playlist?list=PLKuX6iczGb3kuDsm2RFgbmRkTugkR9-UE	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2021-06-04 00:15

Updated : 2023-08-08 14:22

NVD link : CVE-2021-33838

Mitre link : CVE-2021-33838

CVE.ORG link : CVE-2021-33838

JSON object : View

Products Affected

luca-app

luca

CWE

CWE-203

Observable Discrepancy

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