UBUNTU-CVE-2024-39894

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Source
https://ubuntu.com/security/CVE-2024-39894
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-39894.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2024-39894
Related
Published
2024-07-02T18:15:00Z
Modified
2025-06-02T17:27:18Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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 

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