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The x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto allows an attacker to panic an SSH server.
3 affected packages
golang-go.crypto, lxd, snapd
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| golang-go.crypto | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| lxd | — | — | — | Not affected | Not affected |
| snapd | Not affected | Not affected | Not affected | Not affected | Not affected |
The golang.org/x/crypto/ssh package before 0.0.0-20220314234659-1baeb1ce4c0b for Go allows an attacker to crash a server in certain circumstances involving AddHostKey.
3 affected packages
golang-go.crypto, lxd, snapd
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| golang-go.crypto | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| lxd | — | — | Not in release | Not affected | Not affected |
| snapd | Not affected | Not affected | Not affected | Not affected | Not affected |
Curve.IsOnCurve in crypto/elliptic in Go before 1.16.14 and 1.17.x before 1.17.7 can incorrectly return true in situations with a big.Int value that is not a valid field element.
3 affected packages
golang-go.crypto, lxd, snapd
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| golang-go.crypto | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| lxd | — | — | — | Not affected | Needs evaluation |
| snapd | Not affected | Not affected | Not affected | Not affected | Not affected |
Some fixes available 11 of 20
A nil pointer dereference in the golang.org/x/crypto/ssh component through v0.0.0-20201203163018-be400aefbc4c for Go allows remote attackers to cause a denial of service against SSH servers.
4 affected packages
golang-go.crypto, kubernetes, snapd, lxd
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| golang-go.crypto | Fixed | Fixed | Fixed | Vulnerable | Not affected |
| kubernetes | Not in release | Not affected | Not affected | Not affected | Not in release |
| snapd | Not affected | Not affected | Not affected | Not affected | Not affected |
| lxd | — | — | — | Not affected | Not affected |
golang.org/x/crypto before v0.0.0-20200220183623-bac4c82f6975 for Go allows a panic during signature verification in the golang.org/x/crypto/ssh package. A client can attack an SSH server that accepts public keys. Also, a server...
4 affected packages
golang-go.crypto, lxd, mongo-tools, snapd
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| golang-go.crypto | Not affected | Not affected | Not affected | Not affected | Vulnerable |
| lxd | — | — | — | Not affected | Not affected |
| mongo-tools | Not in release | Not in release | Not in release | Needs evaluation | Needs evaluation |
| snapd | Not affected | Not affected | Not affected | Not affected | Not affected |
A message-forgery issue was discovered in crypto/openpgp/clearsign/clearsign.go in supplementary Go cryptography libraries 2019-03-25. According to the OpenPGP Message Format specification in RFC 4880 chapter 7, a cleartext signed...
2 affected packages
golang-go.crypto, snapd
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| golang-go.crypto | Not affected | Not affected | Not affected | Not affected | Vulnerable |
| snapd | Not affected | Not affected | Not affected | Not affected | Not affected |
An issue was discovered in the supplementary Go cryptography library, golang.org/x/crypto, before v0.0.0-20190320223903-b7391e95e576. A flaw was found in the amd64 implementation of the golang.org/x/crypto/salsa20...
3 affected packages
golang-go.crypto, lxd, snapd
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| golang-go.crypto | Not affected | Not affected | Not affected | Not affected | Vulnerable |
| lxd | — | — | — | Not affected | Not affected |
| snapd | Ignored | Ignored | Ignored | Ignored | Ignored |
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.
3 affected packages
golang-go.crypto, ubuntu-snappy, snapd
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| golang-go.crypto | Not affected | Not affected | Not affected | Not affected | Not affected |
| ubuntu-snappy | Not in release | Not in release | Not in release | Not in release | Not in release |
| snapd | Ignored | Ignored | Ignored | Ignored | Ignored |