Bug 1439748 – CVE-2017-3204 golang-googlecode-go-crypto: Go SSH library does not verify host keys by default

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Bug 1439748 - (CVE-2017-3204) CVE-2017-3204 golang-googlecode-go-crypto: Go SSH library does not verify host keys by default

Summary:	CVE-2017-3204 golang-googlecode-go-crypto: Go SSH library does not verify hos...

Status:	NEW

Aliases:	CVE-2017-3204

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	medium Severity medium
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Assigned To:	Red Hat Product Security
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Whiteboard:	impact=moderate,public=20170329,repor...
Keywords:	Security

Depends On:	1439751 1439752 1471344
Blocks:	1439750
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Reported:	2017-04-06 09:12 EDT by Andrej Nemec
Modified:	2018-06-29 18:19 EDT (History)
CC List:	17 users (show)

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Description Andrej Nemec 2017-04-06 09:12:56 EDT

The Go SSH library (x/crypto/ssh) by default does not verify host keys, facilitating man-in-the-middle attacks.

Upstream bug:

https://github.com/golang/go/issues/19767

Upstream patch:

https://github.com/golang/crypto/commit/e4e2799dd7aab89f583e1d898300d96367750991

Comment 1 Andrej Nemec 2017-04-06 09:15:07 EDT

Created golang tracking bugs for this issue:

Affects: epel-6 [bug 1439752]
Affects: fedora-all [bug 1439751]

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