[Secure-testing-team] Bug#859655: golang-go.crypto: CVE-2017-3204

[Salvatore Bonaccorso]

Source: golang-go.crypto
Version: 1:0.0~git20161012.0.5f31782-1
Severity: grave
Tags: upstream patch security
Forwarded: https://github.com/golang/go/issues/19767

Hi,

the following vulnerability was published for golang-go.crypto.

CVE-2017-3204[0]:
| 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.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2017-3204
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-3204
[1] https://github.com/golang/go/issues/19767

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore