CVE-2019-18659
Medium
Description
The Wireless Emergency Alerts (WEA) protocol allows remote attackers to spoof a Presidential Alert because cryptographic authentication is not used, as demonstrated by MessageIdentifier 4370 in LTE System Information Block 12 (aka SIB12). NOTE: testing inside an RF-isolated shield box suggested that all LTE phones are affected by design (e.g., use of Android versus iOS does not matter); testing in an open RF environment is, of course, contraindicated.
SeverityMedium
CVSS5.3
Exploit probability—
ProductReady Wireless Emergency Alerts
PublishedNov 2, 2019
First seenNov 2, 2019
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ready wireless_emergency_alerts | No range specified | — |
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