Bug 1962879 (CVE-2020-15522) - CVE-2020-15522 bouncycastle: Timing issue within the EC math library
Summary: CVE-2020-15522 bouncycastle: Timing issue within the EC math library
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2020-15522
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:
Blocks: 1962881
TreeView+ depends on / blocked
 
Reported: 2021-05-20 17:17 UTC by Pedro Sampaio
Modified: 2022-03-23 08:22 UTC (History)
87 users (show)

Fixed In Version: bouncycastle 1.66
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in bouncycastle. A timing issue within the EC math library can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures.
Clone Of:
Environment:
Last Closed: 2021-07-15 15:54:39 UTC

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2021:2755 0 None None None 2021-07-15 15:26:23 UTC
Red Hat Product Errata RHSA-2021:5134 0 None None None 2021-12-14 21:35:13 UTC
Red Hat Product Errata RHSA-2022:1013 0 None None None 2022-03-22 15:34:07 UTC
Red Hat Product Errata RHSA-2022:1029 0 None None None 2022-03-23 08:22:51 UTC

Description Pedro Sampaio 2021-05-20 17:17:31 UTC 
Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math library that can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures.

https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522
https://www.bouncycastle.org/releasenotes.html
https://github.com/bcgit/bc-java/wiki/CVE-2020-15522
Comment 6 Jonathan Christison 2021-05-25 11:28:16 UTC 
Fixing Commit (bc-java): https://github.com/bcgit/bc-java/commit/87ab5d8470829879219e50213912bab6b1ab8fe8
Fixing Commit (bc-sharp): https://github.com/bcgit/bc-csharp/commit/6a08d931d590fe846921e05d21ef614a9ed07d68
Comment 13 errata-xmlrpc 2021-07-15 15:26:19 UTC 
This issue has been addressed in the following products:

  Red Hat EAP-XP 2.0.0 via EAP 7.3.x base

Via RHSA-2021:2755 https://access.redhat.com/errata/RHSA-2021:2755
Comment 14 Product Security DevOps Team 2021-07-15 15:54:39 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-15522
Comment 16 errata-xmlrpc 2021-12-14 21:35:10 UTC 
This issue has been addressed in the following products:

  Red Hat Fuse 7.10

Via RHSA-2021:5134 https://access.redhat.com/errata/RHSA-2021:5134
Comment 17 errata-xmlrpc 2022-03-22 15:34:04 UTC 
This issue has been addressed in the following products:

  RHINT Camel-Q 2.2.1

Via RHSA-2022:1013 https://access.redhat.com/errata/RHSA-2022:1013
Comment 18 errata-xmlrpc 2022-03-23 08:22:47 UTC 
This issue has been addressed in the following products:

  RHINT Camel-K 1.6.4

Via RHSA-2022:1029 https://access.redhat.com/errata/RHSA-2022:1029
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