UBUNTU-CVE-2018-18066

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Source
https://ubuntu.com/security/CVE-2018-18066
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18066.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2018-18066
Upstream
Withdrawn
2025-07-18T16:44:47Z
Published
2018-10-08T18:29:00Z
Modified
2025-07-16T07:52:15.644538Z
Severity
  • 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
  • 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
  • Ubuntu - medium
Summary
[none]
Details

snmpoidcompare in snmplib/snmp_api.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an unauthenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.

References

Affected packages

Ubuntu:14.04:LTS / net-snmp

Package

Name
net-snmp
Purl
pkg:deb/ubuntu/net-snmp@5.7.2~dfsg-8.1ubuntu3.1?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.7.2~dfsg-8.1ubuntu3.1

Affected versions

5.*

5.7.2~dfsg-8ubuntu1
5.7.2~dfsg-8ubuntu2
5.7.2~dfsg-8.1ubuntu1
5.7.2~dfsg-8.1ubuntu2
5.7.2~dfsg-8.1ubuntu3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libsnmp-base",
            "binary_version": "5.7.2~dfsg-8.1ubuntu3.1"
        },
        {
            "binary_name": "libsnmp-dev",
            "binary_version": "5.7.2~dfsg-8.1ubuntu3.1"
        },
        {
            "binary_name": "libsnmp-dev-dbgsym",
            "binary_version": "5.7.2~dfsg-8.1ubuntu3.1"
        },
        {
            "binary_name": "libsnmp-perl",
            "binary_version": "5.7.2~dfsg-8.1ubuntu3.1"
        },
        {
            "binary_name": "libsnmp-perl-dbgsym",
            "binary_version": "5.7.2~dfsg-8.1ubuntu3.1"
        },
        {
            "binary_name": "libsnmp30",
            "binary_version": "5.7.2~dfsg-8.1ubuntu3.1"
        },
        {
            "binary_name": "libsnmp30-dbg",
            "binary_version": "5.7.2~dfsg-8.1ubuntu3.1"
        },
        {
            "binary_name": "libsnmp30-dbgsym",
            "binary_version": "5.7.2~dfsg-8.1ubuntu3.1"
        },
        {
            "binary_name": "python-netsnmp",
            "binary_version": "5.7.2~dfsg-8.1ubuntu3.1"
        },
        {
            "binary_name": "python-netsnmp-dbgsym",
            "binary_version": "5.7.2~dfsg-8.1ubuntu3.1"
        },
        {
            "binary_name": "snmp",
            "binary_version": "5.7.2~dfsg-8.1ubuntu3.1"
        },
        {
            "binary_name": "snmp-dbgsym",
            "binary_version": "5.7.2~dfsg-8.1ubuntu3.1"
        },
        {
            "binary_name": "snmpd",
            "binary_version": "5.7.2~dfsg-8.1ubuntu3.1"
        },
        {
            "binary_name": "snmpd-dbgsym",
            "binary_version": "5.7.2~dfsg-8.1ubuntu3.1"
        },
        {
            "binary_name": "tkmib",
            "binary_version": "5.7.2~dfsg-8.1ubuntu3.1"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / net-snmp

Package

Name
net-snmp
Purl
pkg:deb/ubuntu/net-snmp@5.7.3+dfsg-1.8ubuntu3?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.7.3+dfsg-1.8ubuntu3

Affected versions

5.*

5.7.3+dfsg-1.7ubuntu1
5.7.3+dfsg-1.8ubuntu1
5.7.3+dfsg-1.8ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libsnmp-base",
            "binary_version": "5.7.3+dfsg-1.8ubuntu3"
        },
        {
            "binary_name": "libsnmp-dev",
            "binary_version": "5.7.3+dfsg-1.8ubuntu3"
        },
        {
            "binary_name": "libsnmp-perl",
            "binary_version": "5.7.3+dfsg-1.8ubuntu3"
        },
        {
            "binary_name": "libsnmp-perl-dbgsym",
            "binary_version": "5.7.3+dfsg-1.8ubuntu3"
        },
        {
            "binary_name": "libsnmp30",
            "binary_version": "5.7.3+dfsg-1.8ubuntu3"
        },
        {
            "binary_name": "libsnmp30-dbg",
            "binary_version": "5.7.3+dfsg-1.8ubuntu3"
        },
        {
            "binary_name": "python-netsnmp",
            "binary_version": "5.7.3+dfsg-1.8ubuntu3"
        },
        {
            "binary_name": "python-netsnmp-dbgsym",
            "binary_version": "5.7.3+dfsg-1.8ubuntu3"
        },
        {
            "binary_name": "snmp",
            "binary_version": "5.7.3+dfsg-1.8ubuntu3"
        },
        {
            "binary_name": "snmp-dbgsym",
            "binary_version": "5.7.3+dfsg-1.8ubuntu3"
        },
        {
            "binary_name": "snmpd",
            "binary_version": "5.7.3+dfsg-1.8ubuntu3"
        },
        {
            "binary_name": "snmpd-dbgsym",
            "binary_version": "5.7.3+dfsg-1.8ubuntu3"
        },
        {
            "binary_name": "snmptrapd",
            "binary_version": "5.7.3+dfsg-1.8ubuntu3"
        },
        {
            "binary_name": "snmptrapd-dbgsym",
            "binary_version": "5.7.3+dfsg-1.8ubuntu3"
        },
        {
            "binary_name": "tkmib",
            "binary_version": "5.7.3+dfsg-1.8ubuntu3"
        }
    ],
    "availability": "No subscription required"
}