UBUNTU-CVE-2023-26552

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Source
https://ubuntu.com/security/CVE-2023-26552
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-26552.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2023-26552
Upstream
Published
2023-04-11T21:15:00Z
Modified
2025-10-24T05:01:51Z
Severity
  • 5.6 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
  • 5.6 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
  • Ubuntu - negligible
Summary
[none]
Details

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a decimal point. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.

References

Affected packages

Ubuntu:Pro:14.04:LTS / ntp

Package

Name
ntp
Purl
pkg:deb/ubuntu/ntp@1:4.2.6.p5+dfsg-3ubuntu2.14.04.13+esm1?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

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
1:4.2.6.p5+dfsg-3ubuntu2.14.04.13
1:4.2.6.p5+dfsg-3ubuntu2.14.04.13+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ntp",
            "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.13+esm1"
        },
        {
            "binary_name": "ntpdate",
            "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.13+esm1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-26552.json"

Ubuntu:16.04:LTS / ntp

Package

Name
ntp
Purl
pkg:deb/ubuntu/ntp@1:4.2.8p4+dfsg-3ubuntu5.10?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

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
1:4.2.8p4+dfsg-3ubuntu5.9
1:4.2.8p4+dfsg-3ubuntu5.10

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ntp",
            "binary_version": "1:4.2.8p4+dfsg-3ubuntu5.10"
        },
        {
            "binary_name": "ntpdate",
            "binary_version": "1:4.2.8p4+dfsg-3ubuntu5.10"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-26552.json"

Ubuntu:Pro:18.04:LTS / ntp

Package

Name
ntp
Purl
pkg:deb/ubuntu/ntp@1:4.2.8p10+dfsg-5ubuntu7.3+esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

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
1:4.2.8p10+dfsg-5ubuntu7.1
1:4.2.8p10+dfsg-5ubuntu7.1+esm1
1:4.2.8p10+dfsg-5ubuntu7.1+esm2
1:4.2.8p10+dfsg-5ubuntu7.2
1:4.2.8p10+dfsg-5ubuntu7.2+esm1
1:4.2.8p10+dfsg-5ubuntu7.3
1:4.2.8p10+dfsg-5ubuntu7.3+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ntp",
            "binary_version": "1:4.2.8p10+dfsg-5ubuntu7.3+esm1"
        },
        {
            "binary_name": "ntpdate",
            "binary_version": "1:4.2.8p10+dfsg-5ubuntu7.3+esm1"
        },
        {
            "binary_name": "sntp",
            "binary_version": "1:4.2.8p10+dfsg-5ubuntu7.3+esm1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-26552.json"

Ubuntu:Pro:20.04:LTS / ntp

Package

Name
ntp
Purl
pkg:deb/ubuntu/ntp@1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:4.*

1:4.2.8p12+dfsg-3ubuntu2
1:4.2.8p12+dfsg-3ubuntu3
1:4.2.8p12+dfsg-3ubuntu4
1:4.2.8p12+dfsg-3ubuntu4.20.04.1
1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ntp",
            "binary_version": "1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1"
        },
        {
            "binary_name": "ntpdate",
            "binary_version": "1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1"
        },
        {
            "binary_name": "sntp",
            "binary_version": "1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-26552.json"

Ubuntu:22.04:LTS / ntp

Package

Name
ntp
Purl
pkg:deb/ubuntu/ntp@1:4.2.8p15+dfsg-1ubuntu2?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:4.*

1:4.2.8p12+dfsg-3ubuntu6
1:4.2.8p15+dfsg-1ubuntu1
1:4.2.8p15+dfsg-1ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ntp",
            "binary_version": "1:4.2.8p15+dfsg-1ubuntu2"
        },
        {
            "binary_name": "ntpdate",
            "binary_version": "1:4.2.8p15+dfsg-1ubuntu2"
        },
        {
            "binary_name": "sntp",
            "binary_version": "1:4.2.8p15+dfsg-1ubuntu2"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-26552.json"