CentOS 7 : net-snmp (RHSA-2020:1081)

high Nessus Plugin ID 135333

Synopsis

The remote CentOS Linux host is missing a security update.

Description

The remote CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1081 advisory.

- 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)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2020:1081

Plugin Details

Severity: High

ID: 135333

File Name: centos_RHSA-2020-1081.nasl

Version: 1.5

Type: local

Agent: unix

Published: 4/10/2020

Updated: 10/9/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2018-18066

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:net-snmp-agent-libs, p-cpe:/a:centos:centos:net-snmp-libs, p-cpe:/a:centos:centos:net-snmp-python, p-cpe:/a:centos:centos:net-snmp-utils, p-cpe:/a:centos:centos:net-snmp, p-cpe:/a:centos:centos:net-snmp-devel, p-cpe:/a:centos:centos:net-snmp-gui, p-cpe:/a:centos:centos:net-snmp-perl, p-cpe:/a:centos:centos:net-snmp-sysvinit

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/CentOS/release, Host/CentOS/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/8/2020

Vulnerability Publication Date: 10/8/2018

Reference Information

CVE: CVE-2018-18066

RHSA: 2020:1081