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...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2017-3204
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: 1439751 1439752 1471344
Blocks: 1439750
TreeView+ depends on / blocked
 
Reported: 2017-04-06 13:12 UTC by Andrej Nemec
Modified: 2019-09-29 14:09 UTC (History)
15 users (show)

Fixed In Version:
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Last Closed: 2019-06-08 03:10:00 UTC
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Description Andrej Nemec 2017-04-06 13:12:56 UTC 
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 13:15:07 UTC 
Created golang tracking bugs for this issue:

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