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Some fixes available 4 of 9
Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added by various Linux distributions and does not affect the OpenSSH upstream project itself. The...
2 affected packages
openssh, openssh-ssh1
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssh | Fixed | Fixed | Fixed | Not affected |
| openssh-ssh1 | Ignored | Ignored | Ignored | Ignored |
Some fixes available 4 of 11
ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is used.
2 affected packages
openssh, openssh-ssh1
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssh | Fixed | Fixed | Fixed | Not affected |
| openssh-ssh1 | Ignored | Ignored | Ignored | Ignored |
Some fixes available 4 of 14
ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution when a ProxyCommand is used. The untrusted sources are the command...
2 affected packages
openssh, openssh-ssh1
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssh | Fixed | Fixed | Fixed | Vulnerable |
| openssh-ssh1 | Ignored | Ignored | Ignored | Ignored |
Some fixes available 6 of 14
In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent forwarding.
2 affected packages
openssh, openssh-ssh1
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssh | Fixed | Fixed | Fixed | Vulnerable |
| openssh-ssh1 | Ignored | Ignored | Needs evaluation | Needs evaluation |
A flaw was found in the OpenSSH package. For each ping packet the SSH server receives, a pong packet is allocated in a memory buffer and stored in a queue of packages. It is only freed when the server/client key exchange has...
2 affected packages
openssh, openssh-ssh1
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssh | Fixed | Not affected | Not affected | Not affected |
| openssh-ssh1 | Not affected | Not affected | Not affected | Not affected |
Some fixes available 8 of 15
A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles...
2 affected packages
openssh, openssh-ssh1
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssh | Fixed | Fixed | Fixed | Fixed |
| openssh-ssh1 | Ignored | Ignored | Ignored | Ignored |
A signal handler in sshd(8) may call a logging function that is not async-signal-safe. The signal handler is invoked when a client does not authenticate within the LoginGraceTime seconds (120 by default). This signal handler...
2 affected packages
openssh, openssh-ssh1
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssh | Not affected | Not affected | Not affected | Not affected |
| openssh-ssh1 | Not affected | Not affected | Not affected | Not affected |
A race condition vulnerability was discovered in how signals are handled by OpenSSH's server (sshd). If a remote attacker does not authenticate within a set time period, then sshd's SIGALRM handler is called...
2 affected packages
openssh, openssh-ssh1
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssh | Not affected | Not affected | Not affected | Not affected |
| openssh-ssh1 | Not affected | Not affected | Not affected | Not affected |
OpenSSH 9.5 through 9.7 before 9.8 sometimes allows timing attacks against echo-off password entry (e.g., for su and Sudo) because of an ObscureKeystrokeTiming logic error. Similarly, other timing attacks against keystroke entry...
2 affected packages
openssh-ssh1, openssh
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssh-ssh1 | Not affected | Not affected | Not affected | Not affected |
| openssh | Fixed | Not affected | Not affected | Not affected |
A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be able to trigger...
2 affected packages
openssh, openssh-ssh1
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssh | Fixed | Fixed | Not affected | Not affected |
| openssh-ssh1 | Not affected | Not affected | Not affected | Not affected |