CVE-2012-4445
Heap-based buffer overflow in the eap_server_tls_process_fragment function in eap_server_tls_common.c in the EAP authentication server in…
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Timeline
ID reserved
By redhat
- 50 days later
· 50 days later
Published
- 12 years later
· 12 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 4.2% · top 8.9% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
Affected products
n/a
- affected n/a
References (12)
- http://w1.fi/gitweb/gitweb.cgi?p=hostap.git%3Ba=commitdiff%3Bh=586c446e0ff42ae00315b014924ec669023bd8de (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.pre-cert.de/advisories/PRE-SA-2012-07.txt (opens in a new tab)x_refsource_MISCx_transferred
- [oss-security] 20121008 [PRE-SA-2012-07] hostapd: Missing EAP-TLS message length validation (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 50805 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-2557 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 1027808 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- MDVSA-2012:168 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 86051 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 55826 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- FreeBSD-SA-12:07 (opens in a new tab)vendor-advisoryx_refsource_FREEBSDx_transferred
- hostapd-eaptls-dos(79104) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 50888 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-4445)Record last updated .