USN-6887-1

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Source
https://ubuntu.com/security/notices/USN-6887-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6887-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-6887-1
Upstream
Related
Published
2024-07-09T14:04:56.298044Z
Modified
2025-07-16T08:57:21.898191Z
Summary
openssh vulnerability
Details

Philippos Giavridis, Jacky Wei En Kung, Daniel Hugenroth, and Alastair Beresford discovered that the OpenSSH ObscureKeystrokeTiming feature did not work as expected. A remote attacker could possibly use this issue to determine timing information about keystrokes.

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 

{
    "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"
        }
    ]
}