golang-go.crypto, ubuntu-snappy, snapd
2017-10-23 14:17
CVE-2017-3204 golang-go.crypto
2017-07-20 21:30
2017-06-16 19:22
2017-05-10 23:47
2017-04-14 10:21
2017-04-06 22:03


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.

Am I vulnerable?

The constraints below list the versions that this vulnerability is patched in, and versions that are unaffected. If a patch is ready but unrealeased, then it is pending.

Or, you can just let us figure it out for you! Appcanary continously monitor your installed packages, and tell you if any of them are vulnerable.

Sign up for monitoring

Affected package information



Release Package Reason
precise golang-go.crypto DNE
ubuntu-snappy DNE
snapd DNE
precise/esm golang-go.crypto DNE
ubuntu-snappy DNE
snapd DNE
trusty golang-go.crypto DNE
ubuntu-snappy DNE
snapd ignored
vivid/ubuntu-core golang-go.crypto DNE
ubuntu-snappy ignored
snapd DNE
vivid/stable-phone-overlay golang-go.crypto DNE
ubuntu-snappy DNE
snapd DNE
yakkety golang-go.crypto ignored
ubuntu-snappy DNE
snapd ignored
xenial ubuntu-snappy DNE
snapd ignored
zesty ubuntu-snappy DNE
snapd ignored
artful ubuntu-snappy DNE
snapd ignored
devel ubuntu-snappy DNE
snapd ignored

Needs Triage

Release Package Reason
upstream golang-go.crypto needs-triage
ubuntu-snappy needs-triage
snapd needs-triage
xenial golang-go.crypto needs-triage
zesty golang-go.crypto needs-triage
artful golang-go.crypto needs-triage
devel golang-go.crypto needs-triage