USN-6859-1

Source
https://ubuntu.com/security/notices/USN-6859-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6859-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6859-1
Related
Published
2024-07-01T09:06:31.434165Z
Modified
2024-07-01T09:06:31.434165Z
Summary
openssh vulnerability
Details

It was discovered that OpenSSH incorrectly handled signal management. A remote attacker could use this issue to bypass authentication and remotely access systems without proper credentials.

References

Affected packages

Ubuntu:22.04:LTS / openssh

Package

Name
openssh
Purl
pkg:deb/ubuntu/openssh?arch=src?distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:8.9p1-3ubuntu0.10

Affected versions

1:8.*

1:8.4p1-6ubuntu2
1:8.7p1-2
1:8.7p1-2build1
1:8.7p1-4
1:8.8p1-1
1:8.9p1-3
1:8.9p1-3ubuntu0.1
1:8.9p1-3ubuntu0.3
1:8.9p1-3ubuntu0.4
1:8.9p1-3ubuntu0.5
1:8.9p1-3ubuntu0.6
1:8.9p1-3ubuntu0.7

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:8.9p1-3ubuntu0.10",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.10",
            "binary_name": "openssh-client-dbgsym"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.10",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.10",
            "binary_name": "openssh-server-dbgsym"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.10",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.10",
            "binary_name": "openssh-sftp-server-dbgsym"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.10",
            "binary_name": "openssh-tests"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.10",
            "binary_name": "openssh-tests-dbgsym"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.10",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.10",
            "binary_name": "ssh-askpass-gnome"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.10",
            "binary_name": "ssh-askpass-gnome-dbgsym"
        }
    ]
}

Ubuntu:23.10 / openssh

Package

Name
openssh
Purl
pkg:deb/ubuntu/openssh?arch=src?distro=mantic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.3p1-1ubuntu3.6

Affected versions

1:9.*

1:9.0p1-1ubuntu8
1:9.0p1-1ubuntu8.1
1:9.2p1-2ubuntu3
1:9.3p1-1ubuntu1
1:9.3p1-1ubuntu2
1:9.3p1-1ubuntu3
1:9.3p1-1ubuntu3.1
1:9.3p1-1ubuntu3.2
1:9.3p1-1ubuntu3.3

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:9.3p1-1ubuntu3.6",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:9.3p1-1ubuntu3.6",
            "binary_name": "openssh-client-dbgsym"
        },
        {
            "binary_version": "1:9.3p1-1ubuntu3.6",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:9.3p1-1ubuntu3.6",
            "binary_name": "openssh-server-dbgsym"
        },
        {
            "binary_version": "1:9.3p1-1ubuntu3.6",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:9.3p1-1ubuntu3.6",
            "binary_name": "openssh-sftp-server-dbgsym"
        },
        {
            "binary_version": "1:9.3p1-1ubuntu3.6",
            "binary_name": "openssh-tests"
        },
        {
            "binary_version": "1:9.3p1-1ubuntu3.6",
            "binary_name": "openssh-tests-dbgsym"
        },
        {
            "binary_version": "1:9.3p1-1ubuntu3.6",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:9.3p1-1ubuntu3.6",
            "binary_name": "ssh-askpass-gnome"
        },
        {
            "binary_version": "1:9.3p1-1ubuntu3.6",
            "binary_name": "ssh-askpass-gnome-dbgsym"
        }
    ]
}

Ubuntu:24.04:LTS / openssh

Package

Name
openssh
Purl
pkg:deb/ubuntu/openssh?arch=src?distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.6p1-3ubuntu13.3

Affected versions

1:9.*

1:9.3p1-1ubuntu3
1:9.4p1-1ubuntu1
1:9.6p1-3ubuntu1
1:9.6p1-3ubuntu2
1:9.6p1-3ubuntu3
1:9.6p1-3ubuntu11
1:9.6p1-3ubuntu12
1:9.6p1-3ubuntu13

Ecosystem specific

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