Bug 1588323 (CVE-2016-1000345) - CVE-2016-1000345 bouncycastle: DHIES/ECIES CBC modes are vulnerable to padding oracle attack
Summary: CVE-2016-1000345 bouncycastle: DHIES/ECIES CBC modes are vulnerable to paddin...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2016-1000345
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1588325 1589568 1589569 1592662 1700956
Blocks: 1588310
TreeView+ depends on / blocked
 
Reported: 2018-06-07 05:33 UTC by Sam Fowler
Modified: 2023-08-08 16:52 UTC (History)
60 users (show)

Fixed In Version: bouncycastle 1.56
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Clone Of:
Environment:
Last Closed: 2019-06-10 10:27:32 UTC
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:2669 0 None None None 2018-09-11 07:56:40 UTC
Red Hat Product Errata RHSA-2018:2927 0 None None None 2018-10-16 15:24:26 UTC

Description Sam Fowler 2018-06-07 05:33:21 UTC 
In the Bouncy Castle JCE Provider version 1.55 and earlier the DHIES/ECIES CBC mode vulnerable to padding oracle attack. For BC 1.55 and older, in an environment where timings can be easily observed, it is possible with enough observations to identify when the decryption is failing due to padding.


Upstream Commits:

https://github.com/bcgit/bc-java/commit/21dcb3d9744c83dcf2ff8fcee06dbca7bfa4ef35#diff-4439ce586bf9a13bfec05c0d113b8098
Comment 1 Sam Fowler 2018-06-07 05:34:10 UTC 
Created bouncycastle tracking bugs for this issue:

Affects: epel-6 [bug 1588325]
Comment 4 Kurt Seifried 2018-06-10 20:28:54 UTC 
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 07:56:21 UTC 
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 15:23:53 UTC 
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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