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[email protected]CVE-2021-33839

HistoryJun 04, 2021 - 12:15 a.m.

CVE-2021-33839

2021-06-0400:15:00

CWE-200

[email protected]

web.nvd.nist.gov

luca

android

cve-2021-33839

sensitive information

covid-19 tracking

qr code

security vulnerability

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

7.3 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.006 Low

EPSS

Percentile

77.6%

JSON

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.

CPENameOperatorVersion
luca-app:lucaluca-app lucale1.7.4

CPE	Name	Operator	Version
luca-app:luca	luca-app luca	le	1.7.4

References

github.com/mame82/misc/blob/master/luca_traceIds.md

luca-app.de/securityoverview/properties/objectives.html

twitter.com/patrick_hennig/status/1387738281757061125

youtu.be/jWyDfEB0m08

Social References

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

7.3 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.006 Low

EPSS

Percentile

77.6%

JSON

Related for CVE-2021-33839

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