wpa_supplicant: DoS (abort) by processing certain fragmented EAP-TLS messages
Published Oct 10, 2012
4.3
MEDIUMCVSS 2.0
EPSS 4.22%
Description
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.
Affected products
No data.
- 0.6.0
- 0.6.1
- 0.6.2
- 0.6.3
- 0.6.4
- 0.6.5
- 0.6.6
- 0.6.7
- 0.7.0
- 0.7.1
- 0.7.2
- 0.7.3
- 1.0
No data.
Red Hat Enterprise Linux 5
wpa_supplicant
Not affected
Red Hat Enterprise Linux 6
wpa_supplicant
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | wpa_supplicant | Not affected | n/a |
| Red Hat Enterprise Linux 6 | wpa_supplicant | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not Vulnerable. This issue does not affect the version of wpa_supplicant as shipped with Red Hat Enterprise Linux 5 and 6.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.22% (0.04220) | 90.68th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.22% (0.04220) | 89.67th | v5 (v2026.06.15) |
| Mar 30, 2025 | 5.32% (0.05318) | 89.07th | v4 (v2025.03.14) |
| Mar 29, 2025 | 31.61% (0.31605) | 94.96th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.32% (0.05318) | 89.33th | v4 (v2025.03.14) |
| Dec 12, 2024 | 8.16% (0.08162) | 94.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 8.16% (0.08162) | 93.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
References (16)
- http://osvdb.org/86051 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/50805 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/50888 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://w1.fi/gitweb/gitweb.cgi?p=hostap.git%3Ba=commitdiff%3Bh=586c446e0ff42ae00315b014924ec669023bd8de x_refsource_CONFIRM
- http://www.debian.org/security/2012/dsa-2557 vendor-advisoryx_refsource_DEBIAN
- http://www.freebsd.org/security/advisories/FreeBSD-SA-12:07.hostapd.asc vendor-advisoryx_refsource_FREEBSD
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:168 vendor-advisoryx_refsource_MANDRIVA
- http://www.openwall.com/lists/oss-security/2012/10/08/3 mailing-listx_refsource_MLIST
- http://www.pre-cert.de/advisories/PRE-SA-2012-07.txt x_refsource_MISC
- http://www.securityfocus.com/bid/55826 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1027808 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2012-4445 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=859918 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/79104 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2012-4445
- https://www.cve.org/CVERecord?id=CVE-2012-4445
Change history (0)
No recorded changes yet.