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Bug 1455189 - (CVE-2017-8932) CVE-2017-8932 golang: Elliptic curves carry propagation issue in x86-64 P-256
CVE-2017-8932 golang: Elliptic curves carry propagation issue in x86-64 P-256
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20170523,repor...
: Security
Depends On: 1455190 1455191 1457169
Blocks: 1415638 1455195
  Show dependency tree / graph
 
Reported: 2017-05-24 08:38 EDT by Andrej Nemec
Modified: 2018-06-29 18:21 EDT (History)
30 users (show)

See Also:
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.
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RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2017:1859 normal SHIPPED_LIVE Moderate: golang security, bug fix, and enhancement update 2017-08-01 14:23:38 EDT

  None (edit)
Description Andrej Nemec 2017-05-24 08:38:36 EDT 
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 08:39:36 EDT 
Created golang tracking bugs for this issue:

Affects: epel-6 [bug 1455190]
Affects: fedora-all [bug 1455191]
Comment 6 errata-xmlrpc 2017-08-01 16:23:50 EDT 
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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