CVE-2017-3204
High
Description
The Go SSH library (x/crypto/ssh) by default does not verify host keys, facilitating man-in-the-middle attacks. Default behavior changed in commit e4e2799 to require explicitly registering a hostkey verification mechanism.
SeverityHigh
CVSS8.1
Exploit probability—
ProductGolang Crypto
PublishedApr 4, 2017
First seenApr 4, 2017
Weakness typeCWE-310CWE-310
How to fix
Update
- golang.org/x/crypto0.0.0-20170330155735-e4e2799dd7aa or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| golang crypto | v ≤ 2017-03-17 | — |
| golang.org/x/cryptoGo | v < 0.0.0-20170330155735-e4e2799dd7aa | 0.0.0-20170330155735-e4e2799dd7aa |
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