UBUNTU-CVE-2024-39894

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 could occur.

References

Affected packages

Ubuntu:24.04:LTS / openssh

Package

Name: openssh
Purl: pkg:deb/ubuntu/openssh@1:9.6p1-3ubuntu13.4?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:9.6p1-3ubuntu13.4

Affected versions

1:9.*

1:9.3p1-1ubuntu3

1:9.4p1-1ubuntu1

1:9.6p1-3ubuntu1

1:9.6p1-3ubuntu2

1:9.6p1-3ubuntu11

1:9.6p1-3ubuntu12

1:9.6p1-3ubuntu13

1:9.6p1-3ubuntu13.3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "openssh-client",
            "binary_version": "1:9.6p1-3ubuntu13.4"
        },
        {
            "binary_name": "openssh-server",
            "binary_version": "1:9.6p1-3ubuntu13.4"
        },
        {
            "binary_name": "openssh-sftp-server",
            "binary_version": "1:9.6p1-3ubuntu13.4"
        },
        {
            "binary_name": "openssh-tests",
            "binary_version": "1:9.6p1-3ubuntu13.4"
        },
        {
            "binary_name": "ssh",
            "binary_version": "1:9.6p1-3ubuntu13.4"
        },
        {
            "binary_name": "ssh-askpass-gnome",
            "binary_version": "1:9.6p1-3ubuntu13.4"
        }
    ],
    "availability": "No subscription required"
}