CVE-2022-23303 — Observable Discrepancy in Hostapd

CWE-203 — Observable DiscrepancyCWE-924 — Improper Enforcement of Message Integrity During Transmission in a Communication Channel9 documents8 sources
Severity
9.8CRITICALNVD
CNA5.9OSV5.9
EPSS
0.3%
top 44.37%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
W1.fi HostapdW1.fi WPA SupplicantFedoraproject Fedora
Timeline
PublishedJan 17
Latest updateMar 3

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDw1.fi/hostapd< 2.10

Also affects: Fedora 35

Patches

Patch: w1.fi ↗Patch: w1.fi ↗

🔴Vulnerability Details

4
OSV
wpa vulnerabilities↗2025-03-03
▶
GHSA
GHSA-8v55-rm6p-87p5: The implementations of SAE in hostapd before 2↗2022-02-15
▶
OSV
CVE-2022-23303: The implementations of SAE in hostapd before 2↗2022-01-17
▶
CVEList
CVE-2022-23303: The implementations of SAE in hostapd before 2↗2022-01-17
▶

📋Vendor Advisories

4
Ubuntu
wpa_supplicant and hostapd vulnerabilities↗2025-03-03
▶
Red Hat
wpa_supplicant: SAE side channel attacks as a result of cache access patterns↗2022-01-17
▶
Microsoft
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 inco↗2022-01-11
▶
Debian
CVE-2022-23303: wpa - The implementations of SAE in hostapd before 2.10 and wpa_supplicant before 2.10...↗2022
▶
CVE-2022-23303 — Observable Discrepancy in Hostapd | cvebase