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Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS : Net-SNMP vulnerabilities (USN-5795-1)

medium Nessus Plugin ID 169711

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 22.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5795-1 advisory.

 - handle_ipDefaultTTL in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.8 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker (who has write access) to cause the instance to crash via a crafted UDP packet, resulting in Denial of Service. (CVE-2022-44792)

 - handle_ipv6IpForwarding in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.4.3 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker to cause the instance to crash via a crafted UDP packet, resulting in Denial of Service. (CVE-2022-44793)

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

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-5795-1

Plugin Details

Severity: Medium

ID: 169711

File Name: ubuntu_USN-5795-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 1/9/2023

Updated: 10/16/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2022-44793

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:snmptrapd, p-cpe:/a:canonical:ubuntu_linux:tkmib, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libnetsnmptrapd40, p-cpe:/a:canonical:ubuntu_linux:libsnmp-base, p-cpe:/a:canonical:ubuntu_linux:libsnmp-dev, p-cpe:/a:canonical:ubuntu_linux:libsnmp-perl, p-cpe:/a:canonical:ubuntu_linux:libsnmp30, p-cpe:/a:canonical:ubuntu_linux:libsnmp35, p-cpe:/a:canonical:ubuntu_linux:libsnmp40, p-cpe:/a:canonical:ubuntu_linux:python-netsnmp, p-cpe:/a:canonical:ubuntu_linux:snmp, p-cpe:/a:canonical:ubuntu_linux:snmpd

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/9/2023

Vulnerability Publication Date: 11/7/2022

Reference Information

CVE: CVE-2022-44792, CVE-2022-44793

USN: 5795-1