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 remote attackers to cause a denial of service (server crash) and
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 5.69% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 92.8% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2012-09-18 17:00Z14 YR AGO
- Last updated
- 2024-08-06 20:13Z2 YR AGO
- Reserved
- 2012-06-14
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 384bc84b39e21bee4092c8da4f3b95dfa96f1208530f80ef548b3ebf605dfe0d
05 Affected products
06 References
- secunia.com50584http://secunia.com/advisories/50584
- lists.apple.comAPPLE-SA-2013-10-22-5http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html
- secunia.com50637http://secunia.com/advisories/50637
- www.ubuntu.comUSN-1585-1http://www.ubuntu.com/usn/USN-1585-1
- rhn.redhat.comRHSA-2012:1327http://rhn.redhat.com/errata/RHSA-2012-1327.html
- secunia.com50484http://secunia.com/advisories/50484
- www.debian.orgDSA-2546http://www.debian.org/security/2012/dsa-2546
- www.securityfocus.com55483http://www.securityfocus.com/bid/55483
- www.securitytracker.com1027509http://www.securitytracker.com/id?1027509
- www.pre-cert.dehttp://www.pre-cert.de/advisories/PRE-SA-2012-06.txt
- archives.neohapsis.com20120910 [PRE-SA-2012-06] FreeRADIUS: Stack Overflow in TLS-based EAP Methodshttp://archives.neohapsis.com/archives/bugtraq/2012-09/0043.html
- www.openwall.com[oss-security] 20120910 [PRE-SA-2012-06] FreeRADIUS: Stack Overflow in TLS-based EAP Methodshttp://www.openwall.com/lists/oss-security/2012/09/10/2
- www.mandriva.comMDVSA-2012:159http://www.mandriva.com/security/advisories?name=MDVSA-2012:159
- lists.opensuse.orgopenSUSE-SU-2012:1200http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00023.html
- exchange.xforce.ibmcloud.comfreeradius-cbtlsverify-bo(78408)https://exchange.xforce.ibmcloud.com/vulnerabilities/78408
- rhn.redhat.comRHSA-2012:1326http://rhn.redhat.com/errata/RHSA-2012-1326.html
- osvdb.org85325http://osvdb.org/85325
- secunia.com50770http://secunia.com/advisories/50770
- freeradius.orghttp://freeradius.org/security.html
- lists.fedoraproject.orgFEDORA-2012-15743http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090171.html
07 Fixed in
Debian 12
- freeradius Fixed in 2.1.12+dfsg-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- freeradius Fixed in 2.1.12+dfsg-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- freeradius Fixed in 2.1.12+dfsg-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.