Bug 1468549 (CVE-2017-10984)

Summary: CVE-2017-10984 freeradius: Out-of-bounds write in data2vp_wimax()
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: dpal, jdennis, lemenkov, nikolai.kondrashov, pkis, security-response-team
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: freeradius 3.0.15 Doc Type: If docs needed, set a value
Doc Text:
An out-of-bounds write flaw was found in the way FreeRADIUS server handled certain attributes in request packets. A remote attacker could use this flaw to crash the FreeRADIUS server or to execute arbitrary code in the context of the FreeRADIUS server process by sending a specially crafted request packet.
 Story Points: ---
Clone Of: Environment:
Last Closed: 2017-08-02 09:40:46 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1469414, 1469415, 1471861    
Bug Blocks: 1468570    
Attachments:
Description Flags
Proposed patch 1/2
none
Proposed patch 2/2 none

Description Adam Mariš 2017-07-07 11:45:28 UTC 
Out-of-bounds write in data2vp_wimax() when sending WiMAX attributes which have the "continuation" flag set, but for which there is no subsequent data was found.

The security impact is possible remote code exectuion by anyone who can send packets which are accepted by the server.

Affected versions: 3.0.0 through 3.0.14, inclusive.
Comment 1 Adam Mariš 2017-07-07 11:45:34 UTC 
Acknowledgments:

Name: the FreeRADIUS project
Upstream: Guido Vranken
Comment 2 Adam Mariš 2017-07-07 12:09:41 UTC 
Created attachment 1295272 [details]
Proposed patch 1/2
Comment 3 Adam Mariš 2017-07-07 12:10:03 UTC 
Created attachment 1295273 [details]
Proposed patch 2/2
Comment 6 Dhiru Kholia 2017-07-17 14:36:55 UTC 
Created freeradius tracking bugs for this issue:

Affects: fedora-all [bug 1471861]
Comment 7 errata-xmlrpc 2017-08-01 23:25:08 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2017:2389 https://access.redhat.com/errata/RHSA-2017:2389
Comment 8 Dhiru Kholia 2017-08-02 09:43:52 UTC 
External References:

http://freeradius.org/security/fuzzer-2017.html