7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.004 Low
EPSS
Percentile
73.1%
Issue Overview:
snmp_oid_compare 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. (CVE-2018-18066)
Affected Packages:
net-snmp
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update net-snmp to update your system.
New Packages:
aarch64:
net-snmp-5.7.2-48.amzn2.1.aarch64
net-snmp-utils-5.7.2-48.amzn2.1.aarch64
net-snmp-devel-5.7.2-48.amzn2.1.aarch64
net-snmp-perl-5.7.2-48.amzn2.1.aarch64
net-snmp-gui-5.7.2-48.amzn2.1.aarch64
net-snmp-libs-5.7.2-48.amzn2.1.aarch64
net-snmp-agent-libs-5.7.2-48.amzn2.1.aarch64
net-snmp-python-5.7.2-48.amzn2.1.aarch64
net-snmp-sysvinit-5.7.2-48.amzn2.1.aarch64
net-snmp-debuginfo-5.7.2-48.amzn2.1.aarch64
i686:
net-snmp-5.7.2-48.amzn2.1.i686
net-snmp-utils-5.7.2-48.amzn2.1.i686
net-snmp-devel-5.7.2-48.amzn2.1.i686
net-snmp-perl-5.7.2-48.amzn2.1.i686
net-snmp-gui-5.7.2-48.amzn2.1.i686
net-snmp-libs-5.7.2-48.amzn2.1.i686
net-snmp-agent-libs-5.7.2-48.amzn2.1.i686
net-snmp-python-5.7.2-48.amzn2.1.i686
net-snmp-sysvinit-5.7.2-48.amzn2.1.i686
net-snmp-debuginfo-5.7.2-48.amzn2.1.i686
src:
net-snmp-5.7.2-48.amzn2.1.src
x86_64:
net-snmp-5.7.2-48.amzn2.1.x86_64
net-snmp-utils-5.7.2-48.amzn2.1.x86_64
net-snmp-devel-5.7.2-48.amzn2.1.x86_64
net-snmp-perl-5.7.2-48.amzn2.1.x86_64
net-snmp-gui-5.7.2-48.amzn2.1.x86_64
net-snmp-libs-5.7.2-48.amzn2.1.x86_64
net-snmp-agent-libs-5.7.2-48.amzn2.1.x86_64
net-snmp-python-5.7.2-48.amzn2.1.x86_64
net-snmp-sysvinit-5.7.2-48.amzn2.1.x86_64
net-snmp-debuginfo-5.7.2-48.amzn2.1.x86_64
Red Hat: CVE-2018-18066
Mitre: CVE-2018-18066
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | net-snmp | < 5.7.2-48.amzn2.1 | net-snmp-5.7.2-48.amzn2.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | net-snmp-utils | < 5.7.2-48.amzn2.1 | net-snmp-utils-5.7.2-48.amzn2.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | net-snmp-devel | < 5.7.2-48.amzn2.1 | net-snmp-devel-5.7.2-48.amzn2.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | net-snmp-perl | < 5.7.2-48.amzn2.1 | net-snmp-perl-5.7.2-48.amzn2.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | net-snmp-gui | < 5.7.2-48.amzn2.1 | net-snmp-gui-5.7.2-48.amzn2.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | net-snmp-libs | < 5.7.2-48.amzn2.1 | net-snmp-libs-5.7.2-48.amzn2.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | net-snmp-agent-libs | < 5.7.2-48.amzn2.1 | net-snmp-agent-libs-5.7.2-48.amzn2.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | net-snmp-python | < 5.7.2-48.amzn2.1 | net-snmp-python-5.7.2-48.amzn2.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | net-snmp-sysvinit | < 5.7.2-48.amzn2.1 | net-snmp-sysvinit-5.7.2-48.amzn2.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | net-snmp-debuginfo | < 5.7.2-48.amzn2.1 | net-snmp-debuginfo-5.7.2-48.amzn2.1.aarch64.rpm |
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.004 Low
EPSS
Percentile
73.1%