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The tokenizer incorrectly interprets tags with unquoted attribute values that end with a solidus character (/) as self-closing. When directly using Tokenizer, this can result in such tags incorrectly being marked as self-closing,...
7 affected packages
golang-golang-x-net, google-guest-agent, containerd, golang-golang-x-net-dev, adsys...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| golang-golang-x-net | Needs evaluation | Needs evaluation | Not in release | Not in release |
| google-guest-agent | Not affected | Not affected | Not affected | Not affected |
| containerd | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| golang-golang-x-net-dev | Not in release | Not in release | Needs evaluation | Needs evaluation |
| adsys | Needs evaluation | Needs evaluation | Needs evaluation | — |
| juju-core | — | — | — | — |
| lxd | — | — | Needs evaluation | Needs evaluation |
SSH servers which implement file transfer protocols are vulnerable to a denial of service attack from clients which complete the key exchange slowly, or not at all, causing pending content to be read into memory, but never transmitted.
3 affected packages
lxd, golang-go.crypto, snapd
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| lxd | Not in release | Not in release | Not affected | Needs evaluation |
| golang-go.crypto | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| snapd | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
Mark Laing discovered in LXD's PKI mode, until version 5.21.1, that a restricted certificate could be added to the trust store with its restrictions not honoured.
1 affected package
lxd
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| lxd | Not in release | Not in release | Needs evaluation | Needs evaluation |
Mark Laing discovered that LXD's PKI mode, until version 5.21.2, could be bypassed if the client's certificate was present in the trust store.
1 affected package
lxd
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| lxd | Not in release | Not in release | Needs evaluation | Needs evaluation |
Some fixes available 3 of 47
A certificate with a URI which has a IPv6 address with a zone ID may incorrectly satisfy a URI name constraint that applies to the certificate chain. Certificates containing URIs are not permitted in the web PKI, so this only...
18 affected packages
snapd, golang, golang-1.6, golang-1.8, golang-1.9...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| snapd | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| golang | Not in release | Not in release | Not in release | — |
| golang-1.6 | Not in release | Not in release | Not in release | — |
| golang-1.8 | Not in release | Not in release | Not in release | Needs evaluation |
| golang-1.9 | Not in release | Not in release | Not in release | Needs evaluation |
| golang-1.10 | Not in release | Not in release | Not in release | Needs evaluation |
| golang-1.13 | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| golang-1.14 | Not in release | Not in release | Needs evaluation | — |
| golang-1.16 | Not in release | Not in release | Needs evaluation | Needs evaluation |
| golang-1.17 | Not in release | Needs evaluation | Not in release | — |
| golang-1.18 | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| golang-1.20 | Not in release | Needs evaluation | Needs evaluation | — |
| golang-1.21 | Needs evaluation | Needs evaluation | Needs evaluation | — |
| golang-1.22 | Fixed | Fixed | Needs evaluation | — |
| golang-1.23 | Needs evaluation | Needs evaluation | Not in release | — |
| golang-1.24 | Not in release | Not in release | Not in release | — |
| golang-go.crypto | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| lxd | Not in release | Not in release | Not affected | Needs evaluation |
Some fixes available 11 of 13
An attacker can craft an input to the Parse functions that would be processed non-linearly with respect to its length, resulting in extremely slow parsing. This could cause a denial of service.
7 affected packages
lxd, adsys, golang-golang-x-net, golang-golang-x-net-dev, juju-core...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| lxd | Not in release | Not in release | Not affected | Not affected |
| adsys | Fixed | Fixed | Fixed | — |
| golang-golang-x-net | Fixed | Fixed | Not in release | — |
| golang-golang-x-net-dev | Not in release | Not in release | Fixed | Fixed |
| juju-core | Not in release | Not in release | Not in release | — |
| containerd | Not affected | Not affected | Not affected | Not affected |
| google-guest-agent | Not affected | Not affected | Not affected | Not affected |
Applications and libraries which misuse connection.serverAuthenticate (via callback field ServerConfig.PublicKeyCallback) may be susceptible to an authorization bypass. The documentation for ServerConfig.PublicKeyCallback says...
3 affected packages
golang-go.crypto, snapd, lxd
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| golang-go.crypto | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| snapd | Not affected | Not affected | Not affected | Not affected |
| lxd | Not in release | Not in release | Not affected | Needs evaluation |
An insecure default to allow UEFI Shell in EDK2 was left enabled in LXD. This allows an OS-resident attacker to bypass Secure Boot.
1 affected package
lxd
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| lxd | Not in release | Not in release | Not affected | Not affected |
Some fixes available 38 of 85
The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted (from the extension negotiation...
13 affected packages
dropbear, golang-go.crypto, snapd, lxd, libssh...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| dropbear | Needs evaluation | Fixed | Fixed | Fixed |
| golang-go.crypto | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| snapd | Not affected | Not affected | Not affected | Not affected |
| lxd | Not in release | Not in release | Not affected | Fixed |
| libssh | Not affected | Fixed | Fixed | Not affected |
| openssh-ssh1 | Ignored | Ignored | Ignored | Ignored |
| libssh2 | Not affected | Not affected | Not affected | Not affected |
| openssh | Fixed | Fixed | Fixed | Fixed |
| paramiko | Fixed | Fixed | Fixed | Needs evaluation |
| putty | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| proftpd-dfsg | Not affected | Not affected | Fixed | Needs evaluation |
| python-asyncssh | Fixed | Fixed | Fixed | Ignored |
| filezilla | Fixed | Fixed | Fixed | 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 | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| golang-go.crypto | 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 |