USN-6242-1

Source
https://ubuntu.com/security/notices/USN-6242-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6242-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-6242-1
Related
Published
2023-07-24T16:38:57.163980Z
Modified
2023-07-24T16:38:57.163980Z
Summary
openssh vulnerability
Details

It was discovered that OpenSSH incorrectly handled loading certain PKCS#11 providers. If a user forwarded their ssh-agent to an untrusted system, a remote attacker could possibly use this issue to load arbitrary libraries from the user's system and execute arbitrary code.

References

Affected packages

Ubuntu:20.04:LTS / openssh

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:8.2p1-4ubuntu0.8

Affected versions

1:8.*

1:8.0p1-6build1
1:8.1p1-1
1:8.1p1-5
1:8.2p1-4
1:8.2p1-4ubuntu0.1
1:8.2p1-4ubuntu0.2
1:8.2p1-4ubuntu0.3
1:8.2p1-4ubuntu0.4
1:8.2p1-4ubuntu0.5
1:8.2p1-4ubuntu0.7

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:8.2p1-4ubuntu0.8",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.8",
            "binary_name": "openssh-client-dbgsym"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.8",
            "binary_name": "openssh-client-udeb"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.8",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.8",
            "binary_name": "openssh-server-dbgsym"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.8",
            "binary_name": "openssh-server-udeb"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.8",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.8",
            "binary_name": "openssh-sftp-server-dbgsym"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.8",
            "binary_name": "openssh-tests"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.8",
            "binary_name": "openssh-tests-dbgsym"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.8",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.8",
            "binary_name": "ssh-askpass-gnome"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.8",
            "binary_name": "ssh-askpass-gnome-dbgsym"
        }
    ]
}

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
1:8.9p1-3ubuntu0.3

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

Ecosystem specific

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