Bug 488594

Summary: dkim-milter: DNS public key DoS
Product: [Other] Security Response Reporter: Vincent Danen <vdanen>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED CURRENTRELEASE QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: radford
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Fixed In Version: Doc Type: Bug Fix
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Last Closed: 2009-03-22 01:13:32 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 488595    
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Description Flags
Upstream patch to fix the issue none

Description Vincent Danen 2009-03-04 21:16:42 UTC 
dkim-milter does not properly handle verification of messages signed with a key that has been revoked in DNS (the p= flag set to an empty string).

References:

http://www.openwall.com/lists/oss-security/2009/03/01/1
http://sourceforge.net/tracker/index.php?func=detail&aid=2508602&group_id=139420&atid=744358
http://www.debian.org/security/2009/dsa-1728

A CVE has been requested, but not assigned yet.

This has been fixed upstream in 2.8.1, which is shipped in F10, but F9 has 2.5.1 which would be vulnerable to this issue.
Comment 1 Vincent Danen 2009-03-04 21:16:57 UTC 
Created dkim-milter tracking bugs for this issue

Affects: F9 [bug #488595]
Comment 2 Vincent Danen 2009-03-04 21:17:36 UTC 
Created attachment 334070 [details]
Upstream patch to fix the issue
Comment 3 Fedora Update System 2009-03-04 23:27:23 UTC 
dkim-milter-2.8.1-1.fc9 has been submitted as an update for Fedora 9.
http://admin.fedoraproject.org/updates/dkim-milter-2.8.1-1.fc9
Comment 4 Fedora Update System 2009-03-05 16:26:53 UTC 
dkim-milter-2.8.1-1.fc9 has been pushed to the Fedora 9 stable repository.  If problems still persist, please make note of it in this bug report.