Vulnerability · Published Jan 17, 2022 · Assigned by mitre
CVE-2022-23303
Critical 9.8
In plain English
A critical-severity security flaw in the hostapd package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.1% (higher than 88% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)3.1%top 12.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official description
The implementations of SAE in hostapd before 2.10 and wpa_supplicant before 2.10 are vulnerable to side channel attacks as a result of cache access patterns. NOTE: this issue exists because of an incomplete fix for CVE-2019-9494.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | hostapd | 2.10-r0 | ALPINE-CVE-2022-23303 |
| Alpine:v3.21 | hostapd | 2.10-r0 | ALPINE-CVE-2022-23303 |
| Alpine:v3.22 | hostapd | 2.10-r0 | ALPINE-CVE-2022-23303 |
| Alpine:v3.23 | hostapd | 2.10-r0 | ALPINE-CVE-2022-23303 |
| Alpine:v3.24 | hostapd | 2.10-r0 | ALPINE-CVE-2022-23303 |
| Debian:12 | wpa | 2:2.10-1 | DEBIAN-CVE-2022-23303 |
| Debian:13 | wpa | 2:2.10-1 | DEBIAN-CVE-2022-23303 |
| Debian:14 | wpa | 2:2.10-1 | DEBIAN-CVE-2022-23303 |
| Ubuntu:22.04:LTS | wpa | 2:2.10-6ubuntu2.2 | USN-7317-1 |
| Ubuntu:24.04:LTS | wpa | 2:2.10-21ubuntu0.2 | USN-7317-1 |