Bug 1455189 (CVE-2017-8932) - CVE-2017-8932 golang: Elliptic curves carry propagation issue in x86-64 P-256
Summary: CVE-2017-8932 golang: Elliptic curves carry propagation issue in x86-64 P-256
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2017-8932
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: 1455190 1455191 1457169
Blocks: 1415638 1455195
TreeView+ depends on / blocked
 
Reported: 2017-05-24 12:38 UTC by Andrej Nemec
Modified: 2019-09-29 14:13 UTC (History)
30 users (show)

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.
Clone Of:
Environment:
Last Closed: 2019-06-08 03:13:25 UTC
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2017:1859 0 normal SHIPPED_LIVE Moderate: golang security, bug fix, and enhancement update 2017-08-01 18:23:38 UTC

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
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