UBUNTU-CVE-2018-15473

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Source

https://ubuntu.com/security/CVE-2018-15473

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-15473.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-15473

Related

Published

2018-08-17T00:00:00Z

Modified

2018-08-17T00:00:00Z

Severity

5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
5.3 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator

Summary

[none]

Details

OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.

References

Affected packages

Ubuntu:14.04:LTS / openssh

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:6.6p1-2ubuntu2.11

Affected versions

1:6.*

1:6.2p2-6

1:6.2p2-6ubuntu1

1:6.4p1-1

1:6.4p1-2

1:6.5p1-1

1:6.5p1-2

1:6.5p1-3

1:6.5p1-4

1:6.5p1-6

1:6.6p1-1

1:6.6p1-2

1:6.6p1-2ubuntu1

1:6.6p1-2ubuntu2

1:6.6p1-2ubuntu2.2

1:6.6p1-2ubuntu2.3

1:6.6p1-2ubuntu2.4

1:6.6p1-2ubuntu2.6

1:6.6p1-2ubuntu2.7

1:6.6p1-2ubuntu2.8

1:6.6p1-2ubuntu2.10

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "low",
    "binaries": [
        {
            "binary_version": "1:6.6p1-2ubuntu2.11",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.11",
            "binary_name": "openssh-client-dbgsym"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.11",
            "binary_name": "openssh-client-udeb"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.11",
            "binary_name": "openssh-client-udeb-dbgsym"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.11",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.11",
            "binary_name": "openssh-server-dbgsym"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.11",
            "binary_name": "openssh-server-udeb"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.11",
            "binary_name": "openssh-server-udeb-dbgsym"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.11",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.11",
            "binary_name": "openssh-sftp-server-dbgsym"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.11",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.11",
            "binary_name": "ssh-askpass-gnome"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.11",
            "binary_name": "ssh-askpass-gnome-dbgsym"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.11",
            "binary_name": "ssh-krb5"
        }
    ]
}

Ubuntu:16.04:LTS / openssh

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:7.2p2-4ubuntu2.6

Affected versions

1:6.*

1:6.9p1-2

1:6.9p1-3

1:7.*

1:7.1p1-1

1:7.1p1-3

1:7.1p1-4

1:7.1p1-6

1:7.1p2-1

1:7.1p2-2

1:7.2p1-1

1:7.2p2-1

1:7.2p2-2

1:7.2p2-3

1:7.2p2-4

1:7.2p2-4ubuntu1

1:7.2p2-4ubuntu2.1

1:7.2p2-4ubuntu2.2

1:7.2p2-4ubuntu2.4

1:7.2p2-4ubuntu2.5

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "low",
    "binaries": [
        {
            "binary_version": "1:7.2p2-4ubuntu2.6",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:7.2p2-4ubuntu2.6",
            "binary_name": "openssh-client-dbgsym"
        },
        {
            "binary_version": "1:7.2p2-4ubuntu2.6",
            "binary_name": "openssh-client-ssh1"
        },
        {
            "binary_version": "1:7.2p2-4ubuntu2.6",
            "binary_name": "openssh-client-ssh1-dbgsym"
        },
        {
            "binary_version": "1:7.2p2-4ubuntu2.6",
            "binary_name": "openssh-client-udeb"
        },
        {
            "binary_version": "1:7.2p2-4ubuntu2.6",
            "binary_name": "openssh-client-udeb-dbgsym"
        },
        {
            "binary_version": "1:7.2p2-4ubuntu2.6",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:7.2p2-4ubuntu2.6",
            "binary_name": "openssh-server-dbgsym"
        },
        {
            "binary_version": "1:7.2p2-4ubuntu2.6",
            "binary_name": "openssh-server-udeb"
        },
        {
            "binary_version": "1:7.2p2-4ubuntu2.6",
            "binary_name": "openssh-server-udeb-dbgsym"
        },
        {
            "binary_version": "1:7.2p2-4ubuntu2.6",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:7.2p2-4ubuntu2.6",
            "binary_name": "openssh-sftp-server-dbgsym"
        },
        {
            "binary_version": "1:7.2p2-4ubuntu2.6",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:7.2p2-4ubuntu2.6",
            "binary_name": "ssh-askpass-gnome"
        },
        {
            "binary_version": "1:7.2p2-4ubuntu2.6",
            "binary_name": "ssh-askpass-gnome-dbgsym"
        },
        {
            "binary_version": "1:7.2p2-4ubuntu2.6",
            "binary_name": "ssh-krb5"
        }
    ]
}

Ubuntu:18.04:LTS / openssh

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:7.6p1-4ubuntu0.1

Affected versions

1:7.*

1:7.5p1-10

1:7.6p1-4

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "low",
    "binaries": [
        {
            "binary_version": "1:7.6p1-4ubuntu0.1",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:7.6p1-4ubuntu0.1",
            "binary_name": "openssh-client-dbgsym"
        },
        {
            "binary_version": "1:7.6p1-4ubuntu0.1",
            "binary_name": "openssh-client-udeb"
        },
        {
            "binary_version": "1:7.6p1-4ubuntu0.1",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:7.6p1-4ubuntu0.1",
            "binary_name": "openssh-server-dbgsym"
        },
        {
            "binary_version": "1:7.6p1-4ubuntu0.1",
            "binary_name": "openssh-server-udeb"
        },
        {
            "binary_version": "1:7.6p1-4ubuntu0.1",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:7.6p1-4ubuntu0.1",
            "binary_name": "openssh-sftp-server-dbgsym"
        },
        {
            "binary_version": "1:7.6p1-4ubuntu0.1",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:7.6p1-4ubuntu0.1",
            "binary_name": "ssh-askpass-gnome"
        },
        {
            "binary_version": "1:7.6p1-4ubuntu0.1",
            "binary_name": "ssh-askpass-gnome-dbgsym"
        }
    ]
}