UBUNTU-CVE-2023-28531

ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints. The earliest affected version is 8.9.

References

Affected packages

Ubuntu:22.04:LTS / openssh

Package

Name: openssh
Purl: pkg:deb/ubuntu/openssh@1:8.9p1-3ubuntu0.5?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:8.9p1-3ubuntu0.5

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

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "openssh-client",
            "binary_version": "1:8.9p1-3ubuntu0.5"
        },
        {
            "binary_name": "openssh-server",
            "binary_version": "1:8.9p1-3ubuntu0.5"
        },
        {
            "binary_name": "openssh-sftp-server",
            "binary_version": "1:8.9p1-3ubuntu0.5"
        },
        {
            "binary_name": "openssh-tests",
            "binary_version": "1:8.9p1-3ubuntu0.5"
        },
        {
            "binary_name": "ssh",
            "binary_version": "1:8.9p1-3ubuntu0.5"
        },
        {
            "binary_name": "ssh-askpass-gnome",
            "binary_version": "1:8.9p1-3ubuntu0.5"
        }
    ],
    "priority_reason": "Only affects configurations using agent forwarding, smartcard keys, and per-hop destination constraints. Policy bypass only.",
    "availability": "No subscription required"
}