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CVE-2012-3547
Stack-based buffer overflow in the cbtls_verify function in FreeRADIUS 2.1.10 through 2.1.12, when using TLS-based EAP methods, allows…
Medium6.8EPSS 5.7%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
Stack-based buffer overflow in the cbtls_verify function in FreeRADIUS 2.1.10 through 2.1.12, when using TLS-based EAP methods, allows remote attackers to cause a denial of service (server crash) and possibly execute arbitrary code via a long "not after" timestamp in a client certificate.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 5.7% · top 7.0% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Weakness
Affected products
n/a
- affected n/a
References (20)
- 50584 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- APPLE-SA-2013-10-22-5 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- 50637 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- USN-1585-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2012:1327 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 50484 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-2546 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 55483 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1027509 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://www.pre-cert.de/advisories/PRE-SA-2012-06.txt (opens in a new tab)x_refsource_MISCx_transferred
- 20120910 [PRE-SA-2012-06] FreeRADIUS: Stack Overflow in TLS-based EAP Methods (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- [oss-security] 20120910 [PRE-SA-2012-06] FreeRADIUS: Stack Overflow in TLS-based EAP Methods (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- MDVSA-2012:159 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- openSUSE-SU-2012:1200 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- freeradius-cbtlsverify-bo(78408) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- RHSA-2012:1326 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 85325 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 50770 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://freeradius.org/security.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2012-15743 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_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)
Record last updated .