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Bug 1588327 - (CVE-2016-1000346) CVE-2016-1000346 bouncycastle: Other party DH public keys are not fully validated
CVE-2016-1000346 bouncycastle: Other party DH public keys are not fully valid...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20161029,repor...
: Security
Depends On: 1588328 1589572 1592662 1589573
Blocks: 1588310
  Show dependency tree / graph
 
Reported: 2018-06-07 01:36 EDT by Sam Fowler
Modified: 2018-10-25 11:41 EDT (History)
64 users (show)

See Also:
Fixed In Version: bouncycastle 1.56
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RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:2669 None None None 2018-09-11 03:56 EDT
Red Hat Product Errata RHSA-2018:2927 None None None 2018-10-16 11:24 EDT

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Description Sam Fowler 2018-06-07 01:36:51 EDT 
In the Bouncy Castle JCE Provider version 1.55 and earlier the other party DH public key is not fully validated. This can cause issues as invalid keys can be used to reveal details about the other party's private key where static Diffie-Hellman is in use. As of release 1.56 the key parameters are checked on agreement calculation.


Upstream Commits:

https://github.com/bcgit/bc-java/commit/1127131c89021612c6eefa26dbe5714c194e7495#diff-d525a20b8acaed791ae2f0f770eb5937
Comment 1 Sam Fowler 2018-06-07 01:37:52 EDT 
Created bouncycastle tracking bugs for this issue:

Affects: epel-6 [bug 1588328]
Comment 4 Kurt Seifried 2018-06-10 16:29:00 EDT 
Statement:

This issue affects the versions of bouncycastle as shipped with Red Hat Subscription Asset Manager 1.x. Red Hat Product Security has rated this issue as having a security impact of Moderate. No update is planned for this product at this time. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Comment 6 errata-xmlrpc 2018-09-11 03:56:35 EDT 
This issue has been addressed in the following products:

  Red Hat JBoss Fuse

Via RHSA-2018:2669 https://access.redhat.com/errata/RHSA-2018:2669
Comment 7 errata-xmlrpc 2018-10-16 11:24:13 EDT 
This issue has been addressed in the following products:

  Red Hat Satellite 6.4 for RHEL 7

Via RHSA-2018:2927 https://access.redhat.com/errata/RHSA-2018:2927
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