Apple Mac OS X Server prior 3.0 FreeRADIUS memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability classified as critical was found in Apple Mac OS X Server (Operating System). This vulnerability affects some unknown processing of the component FreeRADIUS. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 10/22/2013 by Timo Warns with PRESENSE Technologies GmbH as APPLE-SA-2013-10-22-5 as confirmed mailinglist post (Apple Security Mailinglist). The advisory is available at The mailinglist post contains:

A buffer overflow existed in FreeRADIUS when parsing the 'not after' timestamp in a client certificate, when using TLS-based EAP methods. This issue was addressed by updating FreeRADIUS to version 2.2.0.
This vulnerability was named CVE-2012-3547 since 06/14/2012. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 74758 (openSUSE Security Update : freeradius (openSUSE-SU-2012:1200-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks.

Upgrading to version 3.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12721.

The vulnerability is also documented in the databases at SecurityFocus (BID 55483), X-Force (78408), Secunia (SA50484), SecurityTracker (ID 1027509) and Vulnerability Center (SBV-36204). The entries 6290, 10955, 10949 and 10950 are related to this item.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 8.7

VulDB Base Score: 10.0
VulDB Temp Score: 8.7
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Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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Current Price Estimation: 🔍


Nessus ID: 74758
Nessus Name: openSUSE Security Update : freeradius (openSUSE-SU-2012:1200-1)
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OpenVAS ID: 72175
OpenVAS Name: Debian Security Advisory DSA 2546-1 (freeradius)
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Threat Intelligenceinfoedit

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Recommended: Upgrade
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Upgrade: Mac OS X Server 3.0
TippingPoint: 🔍
ISS Proventia IPS: 🔍
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06/14/2012 🔍
09/10/2012 +88 days 🔍
09/10/2012 +0 days 🔍
09/11/2012 +1 days 🔍
09/18/2012 +7 days 🔍
09/18/2012 +0 days 🔍
09/24/2012 +6 days 🔍
10/22/2013 +393 days 🔍
10/22/2013 +0 days 🔍
10/23/2013 +1 days 🔍
06/13/2014 +233 days 🔍
01/22/2017 +954 days 🔍
04/17/2017 +85 days 🔍



Advisory: APPLE-SA-2013-10-22-5
Researcher: Timo Warns
Organization: PRESENSE Technologies GmbH
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-3547 (🔍)

SecurityFocus: 55483 - FreeRADIUS Multiple Stack Based Buffer Overflow Vulnerabilities
Secunia: 50484 - FreeRADIUS Client Certificate Verification Buffer Overflow Vulnerability, Highly Critical
X-Force: 78408 - FreeRADIUS cbtls_verify() buffer overflow
SecurityTracker: 1027509 - FreeRADIUS Client Certificate Stack Overflow Lets Remote Users Execute Arbitrary Code
Vulnerability Center: 36204 - FreeRADIUS 2.1.10-2.1.12 \x27cbtls_verify\x27 Function Buffer Overflow Allows Remote DoS \\ Code Execution, Medium
OSVDB: 85325

scip Labs:
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Created: 10/23/2013 05:41 PM
Updated: 04/17/2017 11:15 AM
Changes: (7) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai source_secunia_date
Complete: 🔍


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