Bug 988999 (CVE-2013-4854)

Summary: CVE-2013-4854 bind: named crash with an assertion failure on parsing malformed rdata
Product: [Other] Security Response Reporter: Vincent Danen <vdanen>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: collura, jkurik, kbsingh, msekleta, ovasik, schnederle, thozza, vonsch, wbachman, yersinia.spiros
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
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Clone Of: Environment:
Last Closed: 2013-07-30 05:32:11 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 989006, 989008, 989009, 989010, 989011, 989012    
Bug Blocks: 989001    
Attachments:
Description Flags
fix for CVE-2013-4854 none

Description Vincent Danen 2013-07-26 21:25:01 UTC 
It was reported that when ISC implemented support for RFC 5011 in BIND 9.7, it inadvertently introduced a bug that would cause named to crash when receiving a specially crafted query which included malformed rdata.  The named daemon would terminate with an assertion failure when rejecting the malformed query.

As this was introduced in BIND 9.7, earlier versions are unaffected by this flaw.


External References:

https://kb.isc.org/article/AA-01015/74/CVE-2013-4854%3A-A-specially-crafted-query-can-cause-BIND-to-terminate-abnormally.html
https://kb.isc.org/article/AA-01016
Comment 1 Vincent Danen 2013-07-26 21:31:57 UTC 
Created attachment 778891 [details]
fix for CVE-2013-4854

Relevant changes between 9.8.5-P1 and 9.8.5-P2.
Comment 2 Vincent Danen 2013-07-26 21:35:22 UTC 
Statement:

This issue did not affect the versions of bind as shipped with Red Hat Enterprise Linux 5.  It does affect the versions of bind97 as shipped with Red Hat Enterprise Linux 5 and the versions of bind as shipped with Red Hat Enterprise Linux 6.
Comment 5 Vincent Danen 2013-07-26 21:47:09 UTC 
Created bind tracking bugs for this issue:

Affects: fedora-all [bug 989011]
Comment 8 errata-xmlrpc 2013-07-30 02:46:32 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2013:1114 https://rhn.redhat.com/errata/RHSA-2013-1114.html
Comment 9 errata-xmlrpc 2013-07-30 02:56:33 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2013:1115 https://rhn.redhat.com/errata/RHSA-2013-1115.html
Comment 10 Fedora Update System 2013-08-02 22:04:20 UTC 
bind-9.9.3-5.P2.fc19 has been pushed to the Fedora 19 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 11 Fedora Update System 2013-08-04 00:13:33 UTC 
bind-9.9.3-4.P2.fc18 has been pushed to the Fedora 18 stable repository.  If problems still persist, please make note of it in this bug report.