UBUNTU-CVE-2023-28531

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Source

https://ubuntu.com/security/CVE-2023-28531

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-28531.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2023-28531

Related

Published

2023-03-17T04:15:00Z

Modified

2023-03-17T04:15:00Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

[none]

Details

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?arch=src?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

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