| ID |
CVE-2020-24722
|
| Sažetak |
An issue was discovered in the GAEN (aka Google/Apple Exposure Notifications) protocol through 2020-10-05, as used in COVID-19 applications on Android and iOS. The encrypted metadata block with a TX value lacks a checksum, allowing bitflipping to amplify a contamination attack. This can cause metadata deanonymization and risk-score inflation. NOTE: the vendor's position is "We do not believe that TX power authentication would be a useful defense against relay attacks. |
| Reference |
|
| CVSS |
| Base: | 2.6 |
| Impact: | 2.9 |
| Exploitability: | 4.9 |
|
| Pristup |
| Vektor | Složenost | Autentikacija |
| NETWORK |
HIGH |
NONE |
|
| Impact |
| Povjerljivost | Cjelovitost | Dostupnost |
| NONE |
PARTIAL |
NONE |
|
| CVSS vektor |
AV:N/AC:H/Au:N/C:N/I:P/A:N |
| Zadnje važnije ažuriranje |
04-08-2024 - 16:15 |
| Objavljeno |
07-10-2020 - 15:15 |
