Bug 1598529 (CVE-2018-12373)

Summary: CVE-2018-12373 thunderbird: S/MIME plaintext can be leaked through HTML reply/forward
Product: [Other] Security Response Reporter: Laura Pardo <lpardo>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: alexl, cschalle, gecko-bugs-nobody, gecko-bugs-nobody, jhorak, john.j5live, pjasicek, rhughes, rstrode, sandmann, stransky
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: thunderbird 52.9 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-06-10 10:31:56 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: 1598530, 1598531, 1598644, 1598645, 1598646, 1607204    
Bug Blocks: 1596475    

Description Laura Pardo 2018-07-05 18:09:39 UTC 
A flaw was found in Mozilla Thunderbird before version 52.9. Decrypted S/MIME parts hidden with CSS or <plaintext> can leak plaintext when included in a HTML reply/forward. 


References:
https://www.mozilla.org/en-US/security/advisories/mfsa2018-18/#CVE-2018-12373
https://bugzilla.mozilla.org/show_bug.cgi?id=1464667
Comment 1 Laura Pardo 2018-07-05 18:10:29 UTC 
Created thunderbird tracking bugs for this issue:

Affects: fedora-all [bug 1598530]
Comment 5 errata-xmlrpc 2018-07-24 21:34:17 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:2252 https://access.redhat.com/errata/RHSA-2018:2252
Comment 6 errata-xmlrpc 2018-07-24 21:34:58 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2018:2251 https://access.redhat.com/errata/RHSA-2018:2251