Bug 1962879 (CVE-2020-15522)

Summary:	CVE-2020-15522 bouncycastle: Timing issue within the EC math library
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	aboyko, ahenning, aileenc, akoufoud, alazarot, almorale, anstephe, asoldano, atangrin, avibelli, bbaranow, bgeorges, bibryam, bmaxwell, brian.stansberry, cdewolf, chazlett, clement.escoffier, cmoulliard, dandread, darran.lofthouse, dblechte, dfediuck, dkreling, dosoudil, drieden, eedri, eleandro, etirelli, fjuma, ggaughan, gmalinko, gsmet, hamadhan, hbraun, ibek, ikanello, iweiss, janstey, jjohnstn, jnethert, jochrist, jpallich, jperkins, jrokos, jstastny, jwon, krathod, kverlaen, kwills, lgao, lthon, mattias.ellert, mgoldboi, michal.skrivanek, mnovotny, msochure, msvehla, mszynkie, nwallace, omajid, pantinor, pdrozd, peholase, pgallagh, pjindal, pmackay, probinso, pskopek, puntogil, rgrunber, rguimara, rrajasek, rruss, rstancel, rsvoboda, sbiarozk, sbonazzo, sdouglas, sguilhen, sherold, smaestri, sthorger, tom.jenkinson, tzimanyi, yborgess, yturgema
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
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.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-07-15 15:54:39 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:
Bug Blocks:	1962881

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