UBUNTU-CVE-2017-15906

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Source

https://ubuntu.com/security/CVE-2017-15906

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-15906.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2017-15906

Related

Published

2017-10-25T00:00:00Z

Modified

2025-01-13T10:21:27Z

Severity

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

Summary

[none]

Details

The process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files.

References

Affected packages

Ubuntu:14.04:LTS / openssh

Package

Name: openssh
Purl: pkg:deb/ubuntu/openssh@1:6.6p1-2ubuntu2.10?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:6.6p1-2ubuntu2.10

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

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "openssh-client",
            "binary_version": "1:6.6p1-2ubuntu2.10"
        },
        {
            "binary_name": "openssh-client-dbgsym",
            "binary_version": "1:6.6p1-2ubuntu2.10"
        },
        {
            "binary_name": "openssh-client-udeb",
            "binary_version": "1:6.6p1-2ubuntu2.10"
        },
        {
            "binary_name": "openssh-client-udeb-dbgsym",
            "binary_version": "1:6.6p1-2ubuntu2.10"
        },
        {
            "binary_name": "openssh-server",
            "binary_version": "1:6.6p1-2ubuntu2.10"
        },
        {
            "binary_name": "openssh-server-dbgsym",
            "binary_version": "1:6.6p1-2ubuntu2.10"
        },
        {
            "binary_name": "openssh-server-udeb",
            "binary_version": "1:6.6p1-2ubuntu2.10"
        },
        {
            "binary_name": "openssh-server-udeb-dbgsym",
            "binary_version": "1:6.6p1-2ubuntu2.10"
        },
        {
            "binary_name": "openssh-sftp-server",
            "binary_version": "1:6.6p1-2ubuntu2.10"
        },
        {
            "binary_name": "openssh-sftp-server-dbgsym",
            "binary_version": "1:6.6p1-2ubuntu2.10"
        },
        {
            "binary_name": "ssh",
            "binary_version": "1:6.6p1-2ubuntu2.10"
        },
        {
            "binary_name": "ssh-askpass-gnome",
            "binary_version": "1:6.6p1-2ubuntu2.10"
        },
        {
            "binary_name": "ssh-askpass-gnome-dbgsym",
            "binary_version": "1:6.6p1-2ubuntu2.10"
        },
        {
            "binary_name": "ssh-krb5",
            "binary_version": "1:6.6p1-2ubuntu2.10"
        }
    ],
    "ubuntu_priority": "low"
}

Ubuntu:16.04:LTS / openssh

Package

Name: openssh
Purl: pkg:deb/ubuntu/openssh@1:7.2p2-4ubuntu2.4?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:7.2p2-4ubuntu2.4

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

Ecosystem specific

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

Ubuntu:18.04:LTS / openssh

Package

Name: openssh
Purl: pkg:deb/ubuntu/openssh@1:7.6p1-4?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:7.6p1-4

Affected versions

1:7.*

1:7.5p1-10

Ecosystem specific

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