CVE-2021-33839
LUCA COVID-19 Tracking QR Code Information Disclosure
Description
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.
INFO
Published Date :
June 4, 2021, 12:15 a.m.
Last Modified :
Nov. 21, 2024, 6:09 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-33839 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-33839.
| URL | 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://twitter.com/patrick_hennig/status/1387738281757061125 | Third Party Advisory |
| https://youtu.be/jWyDfEB0m08 | Exploit Third Party Advisory |
| https://github.com/mame82/misc/blob/master/luca_traceIds.md | Third Party Advisory |
| https://luca-app.de/securityoverview/properties/objectives.html | Vendor Advisory |
| https://twitter.com/patrick_hennig/status/1387738281757061125 | Third Party Advisory |
| https://youtu.be/jWyDfEB0m08 | Exploit Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-33839 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-33839 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/mame82/misc/blob/master/luca_traceIds.md Added Reference https://luca-app.de/securityoverview/properties/objectives.html Added Reference https://twitter.com/patrick_hennig/status/1387738281757061125 Added Reference https://youtu.be/jWyDfEB0m08 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jun. 07, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://github.com/mame82/misc/blob/master/luca_traceIds.md No Types Assigned https://github.com/mame82/misc/blob/master/luca_traceIds.md Third Party Advisory Changed Reference Type https://luca-app.de/securityoverview/properties/objectives.html No Types Assigned https://luca-app.de/securityoverview/properties/objectives.html Vendor Advisory Changed Reference Type https://twitter.com/patrick_hennig/status/1387738281757061125 No Types Assigned https://twitter.com/patrick_hennig/status/1387738281757061125 Third Party Advisory Changed Reference Type https://youtu.be/jWyDfEB0m08 No Types Assigned https://youtu.be/jWyDfEB0m08 Exploit, Third Party Advisory Added CWE NIST CWE-200 Added CPE Configuration OR *cpe:2.3:a:luca-app:luca:*:*:*:*:*:android:*:* versions up to (including) 1.7.4
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-33839 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-33839
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
2.09 }} -0.04%
score
0.83026
percentile