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Category:   Application (Security)  >   FreeRADIUS Vendors:   FreeRADIUS Server Project
(Apple Issues Fix for OS X Server) FreeRADIUS Client Certificate Stack Overflow Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1029225
SecurityTracker URL:  http://securitytracker.com/id/1029225
CVE Reference:   CVE-2012-3547   (Links to External Site)
Date:  Oct 23 2013
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.1.10 - 2.1.12
Description:   A vulnerability was reported in FreeRADIUS. A remote user can execute arbitrary code on the target system.

A remote user can send a specially crafted client certificate to trigger a stack overflow in cbtls_verify() and execute arbitrary code on the target system. The code will run with the privileges of the target service.

Systems using TLS-based EAP methods (including EAP-TLS, EAP-TTLS, and PEAP) are affected.

The vendor was notified on August 29, 2012.

Timo Warns of PRESENSE Technologies reported this vulnerability.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   Apple has issued a fix for OS X Server.

The Apple advisory will be available at:

http://support.apple.com/kb/HT1222

Vendor URL:  freeradius.org/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  UNIX (macOS/OS X)

Message History:   This archive entry is a follow-up to the message listed below.
Sep 10 2012 FreeRADIUS Client Certificate Stack Overflow Lets Remote Users Execute Arbitrary Code



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