Vulnerability CVE-2021-33840
Published: 2021-06-04

Description:
The server in Luca through 1.1.14 allows remote attackers to cause a denial of service (insertion of many fake records related to COVID-19) because Phone Number data lacks a digital signature.

Type:

CWE-400

 (Uncontrolled Resource Consumption ('Resource Exhaustion'))

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Luca-app -> LUCA 

 References:
https://luca-app.de/securityoverview/processes/guest_registration.html#verifying-the-contact-data
https://gitlab.com/lucaapp/web/-/issues/1#note_560963608
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