UBUNTU-CVE-2018-7185

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Source
https://ubuntu.com/security/CVE-2018-7185
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-7185.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2018-7185
Upstream
Downstream
Related
Published
2018-03-06T00:00:00Z
Modified
2025-09-08T16:44:47Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

The protocol engine in ntp 4.2.6 before 4.2.8p11 allows a remote attackers to cause a denial of service (disruption) by continually sending a packet with a zero-origin timestamp and source IP address of the "other side" of an interleaved association causing the victim ntpd to reset its association.

References

Affected packages

Ubuntu:14.04:LTS / ntp

Package

Name
ntp
Purl
pkg:deb/ubuntu/ntp@1:4.2.6.p5+dfsg-3ubuntu2.14.04.13?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:4.2.6.p5+dfsg-3ubuntu2.14.04.13

Affected versions

1:4.*

1:4.2.6.p5+dfsg-3ubuntu2
1:4.2.6.p5+dfsg-3ubuntu2.14.04.1
1:4.2.6.p5+dfsg-3ubuntu2.14.04.2
1:4.2.6.p5+dfsg-3ubuntu2.14.04.3
1:4.2.6.p5+dfsg-3ubuntu2.14.04.5
1:4.2.6.p5+dfsg-3ubuntu2.14.04.6
1:4.2.6.p5+dfsg-3ubuntu2.14.04.7
1:4.2.6.p5+dfsg-3ubuntu2.14.04.8
1:4.2.6.p5+dfsg-3ubuntu2.14.04.10
1:4.2.6.p5+dfsg-3ubuntu2.14.04.11
1:4.2.6.p5+dfsg-3ubuntu2.14.04.12

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.13",
            "binary_name": "ntp"
        },
        {
            "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.13",
            "binary_name": "ntpdate"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:16.04:LTS / ntp

Package

Name
ntp
Purl
pkg:deb/ubuntu/ntp@1:4.2.8p4+dfsg-3ubuntu5.9?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:4.2.8p4+dfsg-3ubuntu5.9

Affected versions

1:4.*

1:4.2.6.p5+dfsg-3ubuntu8
1:4.2.6.p5+dfsg-3ubuntu8.1
1:4.2.6.p5+dfsg-3ubuntu9
1:4.2.8p4+dfsg-3ubuntu1
1:4.2.8p4+dfsg-3ubuntu2
1:4.2.8p4+dfsg-3ubuntu3
1:4.2.8p4+dfsg-3ubuntu4
1:4.2.8p4+dfsg-3ubuntu5
1:4.2.8p4+dfsg-3ubuntu5.1
1:4.2.8p4+dfsg-3ubuntu5.2
1:4.2.8p4+dfsg-3ubuntu5.3
1:4.2.8p4+dfsg-3ubuntu5.4
1:4.2.8p4+dfsg-3ubuntu5.5
1:4.2.8p4+dfsg-3ubuntu5.6
1:4.2.8p4+dfsg-3ubuntu5.7
1:4.2.8p4+dfsg-3ubuntu5.8

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:4.2.8p4+dfsg-3ubuntu5.9",
            "binary_name": "ntp"
        },
        {
            "binary_version": "1:4.2.8p4+dfsg-3ubuntu5.9",
            "binary_name": "ntpdate"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / ntp

Package

Name
ntp
Purl
pkg:deb/ubuntu/ntp@1:4.2.8p10+dfsg-5ubuntu7.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:4.2.8p10+dfsg-5ubuntu7.1

Affected versions

1:4.*

1:4.2.8p10+dfsg-5ubuntu3
1:4.2.8p10+dfsg-5ubuntu4
1:4.2.8p10+dfsg-5ubuntu5
1:4.2.8p10+dfsg-5ubuntu6
1:4.2.8p10+dfsg-5ubuntu7

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:4.2.8p10+dfsg-5ubuntu7.1",
            "binary_name": "ntp"
        },
        {
            "binary_version": "1:4.2.8p10+dfsg-5ubuntu7.1",
            "binary_name": "ntpdate"
        },
        {
            "binary_version": "1:4.2.8p10+dfsg-5ubuntu7.1",
            "binary_name": "sntp"
        }
    ],
    "availability": "No subscription required"
}