Bug 1455189 (CVE-2017-8932)

Summary:	CVE-2017-8932 golang: Elliptic curves carry propagation issue in x86-64 P-256
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	admiller, amurdaca, apevec, ayoung, bleanhar, ccoleman, chrisw, cvsbot-xmlrpc, dedgar, dmcphers, golang-updates, huzaifas, jcajka, jgoulding, jjoyce, jkeck, jschluet, kbasil, lemenkov, lhh, lpeer, markmc, mcermak, rbryant, renich, sclewis, s, tdecacqu, ttomecek, vbatts
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	golang 1.7.6, golang 1.8.2	Doc Type:	If docs needed, set a value
Doc Text:	A carry propagation flaw was found in the implementation of the P-256 elliptic curve in golang. An attacker could possibly use this flaw to extract private keys when static ECDH was used.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-08 03:13:25 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:	1455190, 1455191, 1457169
Bug Blocks:	1415638, 1455195

Description Andrej Nemec 2017-05-24 12:38:36 UTC

A carry propagation issue was found in the P-256 implementation for x86-64 in golang.

Upstream issue:

https://github.com/golang/go/issues/20040

Upstream patch:

https://golang.org/cl/41070

Comment 1 Andrej Nemec 2017-05-24 12:39:36 UTC

Created golang tracking bugs for this issue:

Affects: epel-6 [bug 1455190]
Affects: fedora-all [bug 1455191]

Comment 6 errata-xmlrpc 2017-08-01 20:23:50 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2017:1859 https://access.redhat.com/errata/RHSA-2017:1859