FreeRADIUS 'src/lib/radius.c' Denial of Service Vulnerability

Bugtraq ID:	99968
Class:	Input Validation Error
CVE:	CVE-2017-10985
Remote:	Yes
Local:	No
Published:	Jul 17 2017 12:00AM
Updated:	Jul 17 2017 12:00AM
Credit:	Guido Vranken
Vulnerable:	Redhat Enterprise Linux 7 FreeRADIUS FreeRADIUS 3.0.14 FreeRADIUS FreeRADIUS 3.0.13 FreeRADIUS FreeRADIUS 3.0.12 FreeRADIUS FreeRADIUS 3.0.11 FreeRADIUS FreeRADIUS 3.0.10 FreeRADIUS FreeRADIUS 3.0.7 FreeRADIUS FreeRADIUS 3.0.6 FreeRADIUS FreeRADIUS 3.0.5 FreeRADIUS FreeRADIUS 3.0.4 FreeRADIUS FreeRADIUS 3.0.3 FreeRADIUS FreeRADIUS 3.0.2 FreeRADIUS FreeRADIUS 3.0.1 FreeRADIUS FreeRADIUS 3.0.9 FreeRADIUS FreeRADIUS 3.0.8 FreeRADIUS FreeRADIUS 3.0
Not Vulnerable:	FreeRADIUS FreeRADIUS 3.0.15

FreeRADIUS 'src/lib/radius.c' Denial of Service Vulnerability

FreeRADIUS is prone to a denial-of-service vulnerability.

Attackers can exploit this issue to cause the server to enter an infinite loop and consume excessive memory resources, resulting in denial-of-service conditions.

FreeRADIUS 3.0.0 through 3.0.14 are vulnerable.

FreeRADIUS 'src/lib/radius.c' Denial of Service Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

FreeRADIUS 'src/lib/radius.c' Denial of Service Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

FreeRADIUS 'src/lib/radius.c' Denial of Service Vulnerability

References:

• FreeRADIUS Homepage (FreeRADIUS)
  
• Bug 1468550 freeradius: Infinite loop and memory exhaustion with 'concat' attrib (Redhat)
  
• CVE-2017-10985 (Redhat)
  
• Issues found via fuzzing by Guido Vranken (FreeRADIUS)