CVE-2020-24721

An issue was discovered in the GAEN (aka Google/Apple Exposure Notifications) protocol through 2020-09-29, as used in COVID-19 applications on Android and iOS. It allows a user to be put in a position where he or she can be coerced into proving or disproving an exposure notification, because of the persistent state of a private framework.

CVSS v3 5.7 MEDIUM
CVSS v2.0 3.3 LOW

5.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.5 / Impact : 5.2

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

3.3^/10

CVSS v2.0 : LOW

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

Exploitability : 3.4 / Impact : 4.9

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://packetstormsecurity.com/files/159419/Corona-Exposure-Notifications-API-Data-Leakage.html	Third Party Advisory VDB Entry
https://blog.google/inside-google/company-announcements/update-exposure-notifications	Vendor Advisory
https://github.com/minvws/nl-covid19-notification-app-coordination/blob/master/CVEs/CVE-2020-24721.txt	Third Party Advisory
https://seclists.org/fulldisclosure/2020/Sep/53	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apple:exposure_notifications::::::iphone_os::*
	cpe:2.3:a:google:exposure_notifications::::::android::*

History

No history.

Information

Published : 2020-09-30 18:15

Updated : 2020-10-22 16:16

NVD link : CVE-2020-24721

Mitre link : CVE-2020-24721

CVE.ORG link : CVE-2020-24721

JSON object : View

Products Affected

google

exposure_notifications

apple

exposure_notifications

CWE

NVD-CWE-noinfo

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