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dbclient in Dropbear SSH before 2025.88 allows command injection via an untrusted hostname argument, because a shell is used.
1 affected package
dropbear
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| dropbear | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
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 |
Some fixes available 6 of 10
An issue was discovered in Dropbear through 2020.81. Due to a non-RFC-compliant check of the available authentication methods in the client-side SSH code, it is possible for an SSH server to change the login process in its favor....
1 affected package
dropbear
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| dropbear | Fixed | Fixed | Fixed | Fixed |
scp.c in Dropbear before 2020.79 mishandles the filename of . or an empty filename, a related issue to CVE-2018-20685.
1 affected package
dropbear
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| dropbear | Not affected | Not affected | Needs evaluation | Needs evaluation |
Dropbear 2011.54 through 2018.76 has an inconsistent failure delay that may lead to revealing valid usernames, a different issue than CVE-2018-15599.
1 affected package
dropbear
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| dropbear | Not affected | Not affected | Not affected | Needs evaluation |
The recv_msg_userauth_request function in svr-auth.c in Dropbear through 2018.76 is prone to a user enumeration vulnerability because username validity affects how fields in SSH_MSG_USERAUTH messages are handled, a similar issue...
1 affected package
dropbear
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| dropbear | Not affected | Not affected | Not affected | Vulnerable |
Dropbear before 2017.75 might allow local users to read certain files as root, if the file has the authorized_keys file format with a command= option. This occurs because ~/.ssh/authorized_keys is read with root privileges and...
1 affected package
dropbear
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| dropbear | Not affected | Not affected | Not affected | Not affected |
The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled.
1 affected package
dropbear
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| dropbear | Not affected | Not affected | Not affected | Not affected |
It was found that dropbear before version 2013.59 with GSSAPI leaks whether given username is valid or invalid. When an invalid username is given, the GSSAPI authentication failure was incorrectly counted towards the...
1 affected package
dropbear
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| dropbear | — | — | — | Not affected |
The dbclient and server in Dropbear SSH before 2016.74, when compiled with DEBUG_TRACE, allows local users to read process memory via the -v argument, related to a failed remote ident.
1 affected package
dropbear
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| dropbear | Not affected | Not affected | Not affected | Not affected |