Heap-based buffer overflow in the eap_server_tls_process_fragment function in…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Heap-based buffer overflow in the eap_server_tls_process_fragment function in eap_server_tls_common.c in the EAP authentication server in hostapd 0.6 through 1.0 allows remote attackers to cause a denial of service (crash or abort) via a small "TLS Message Length" value in an EAP-TLS message with the "More Fragments" flag set.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:w1.fi:hostapd:0.6.0:*:*:*:*:*:*:* | 0.6.0 | Vulnerable | Wi-Fi Alliance |
| cpe:2.3:a:w1.fi:hostapd:0.6.1:*:*:*:*:*:*:* | 0.6.1 | Vulnerable | Wi-Fi Alliance |
| cpe:2.3:a:w1.fi:hostapd:0.6.2:*:*:*:*:*:*:* | 0.6.2 | Vulnerable | Wi-Fi Alliance |
| cpe:2.3:a:w1.fi:hostapd:0.6.3:*:*:*:*:*:*:* | 0.6.3 | Vulnerable | Wi-Fi Alliance |
| cpe:2.3:a:w1.fi:hostapd:0.6.4:*:*:*:*:*:*:* | 0.6.4 | Vulnerable | Wi-Fi Alliance |
| cpe:2.3:a:w1.fi:hostapd:0.6.5:*:*:*:*:*:*:* | 0.6.5 | Vulnerable | Wi-Fi Alliance |
| cpe:2.3:a:w1.fi:hostapd:0.6.6:*:*:*:*:*:*:* | 0.6.6 | Vulnerable | Wi-Fi Alliance |
| cpe:2.3:a:w1.fi:hostapd:0.6.7:*:*:*:*:*:*:* | 0.6.7 | Vulnerable | Wi-Fi Alliance |
| cpe:2.3:a:w1.fi:hostapd:0.7.0:*:*:*:*:*:*:* | 0.7.0 | Vulnerable | Wi-Fi Alliance |
| cpe:2.3:a:w1.fi:hostapd:0.7.1:*:*:*:*:*:*:* | 0.7.1 | Vulnerable | Wi-Fi Alliance |
- cpe:2.3:a:w1.fi:hostapd:0.6.0:*:*:*:*:*:*:* Versions 0.6.0 Vulnerable ·Wi-Fi Alliance
- cpe:2.3:a:w1.fi:hostapd:0.6.1:*:*:*:*:*:*:* Versions 0.6.1 Vulnerable ·Wi-Fi Alliance
- cpe:2.3:a:w1.fi:hostapd:0.6.2:*:*:*:*:*:*:* Versions 0.6.2 Vulnerable ·Wi-Fi Alliance
- cpe:2.3:a:w1.fi:hostapd:0.6.3:*:*:*:*:*:*:* Versions 0.6.3 Vulnerable ·Wi-Fi Alliance
- cpe:2.3:a:w1.fi:hostapd:0.6.4:*:*:*:*:*:*:* Versions 0.6.4 Vulnerable ·Wi-Fi Alliance
- cpe:2.3:a:w1.fi:hostapd:0.6.5:*:*:*:*:*:*:* Versions 0.6.5 Vulnerable ·Wi-Fi Alliance
- cpe:2.3:a:w1.fi:hostapd:0.6.6:*:*:*:*:*:*:* Versions 0.6.6 Vulnerable ·Wi-Fi Alliance
- cpe:2.3:a:w1.fi:hostapd:0.6.7:*:*:*:*:*:*:* Versions 0.6.7 Vulnerable ·Wi-Fi Alliance
- cpe:2.3:a:w1.fi:hostapd:0.7.0:*:*:*:*:*:*:* Versions 0.7.0 Vulnerable ·Wi-Fi Alliance
- cpe:2.3:a:w1.fi:hostapd:0.7.1:*:*:*:*:*:*:* Versions 0.7.1 Vulnerable ·Wi-Fi Alliance
Show 3 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:w1.fi:hostapd:0.7.2:*:*:*:*:*:*:* | 0.7.2 | Vulnerable | Wi-Fi Alliance |
| cpe:2.3:a:w1.fi:hostapd:0.7.3:*:*:*:*:*:*:* | 0.7.3 | Vulnerable | Wi-Fi Alliance |
| cpe:2.3:a:w1.fi:hostapd:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Wi-Fi Alliance |
- cpe:2.3:a:w1.fi:hostapd:0.7.2:*:*:*:*:*:*:* Versions 0.7.2 Vulnerable ·Wi-Fi Alliance
- cpe:2.3:a:w1.fi:hostapd:0.7.3:*:*:*:*:*:*:* Versions 0.7.3 Vulnerable ·Wi-Fi Alliance
- cpe:2.3:a:w1.fi:hostapd:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Wi-Fi Alliance
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2012-4445
- 2026-10-03 Alias added: GHSA-2hh4-7m9c-h6f2
References
Advisory 3
More Wi-Fi Alliance Hostapd vulnerabilities
- TI-2020-10094 The Open Connectivity Foundation UPnP specification before 2020-04-17 does not forbid the… CVSS 3.1HIGH 7.5
- TI-2022-07426 The implementations of SAE in hostapd before 2.10 and wpa_supplicant before 2.10 are… CVSS 3.1CRITICAL 9.8
- TI-2022-07427 The implementations of EAP-pwd in hostapd before 2.10 and wpa_supplicant before 2.10 are… CVSS 3.1CRITICAL 9.8
- TI-2019-06933 Improper authentication in Wi-Fi Alliance hostapd with EAP-pwd support CVSS 3.0HIGH 8.1
- TI-2017-09721 Wi-Fi Protected Access (WPA and WPA2) that supports IEEE 802.11r allows reinstallation of… CVSS 3.0HIGH 8.1
- TI-2019-06935 Origin validation error in Wi-Fi Alliance hostapd with EAP-pwd support CVSS 3.1HIGH 8.1
Sources
- CVE-2012-4445 · CVE Program
- CVE-2012-4445 · NVD
- FIRST EPSS
- GHSA-2hh4-7m9c-h6f2 · GitHub Advisory Database · CC BY 4.0
- CVE-2012-4445 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences