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Amazon Linux AMI : telnet (ALAS-2020-1387)

critical Nessus Plugin ID 138058

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Synopsis

The remote Amazon Linux AMI host is missing a security update.

Description

utility.c in telnetd in netkit telnet through 0.17 allows remote attackers to execute arbitrary code via short writes or urgent data, because of a buffer overflow involving the netclear and nextitem functions. (CVE-2020-10188)

Solution

Run 'yum update telnet' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2020-1387.html

Plugin Details

Severity: Critical

ID: 138058

File Name: ala_ALAS-2020-1387.nasl

Version: 1.5

Type: local

Agent: unix

Published: 7/2/2020

Updated: 3/5/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2020-10188

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:telnet, p-cpe:/a:amazon:linux:telnet-debuginfo, p-cpe:/a:amazon:linux:telnet-server, cpe:/o:amazon:linux

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/26/2020

Vulnerability Publication Date: 3/6/2020

Reference Information

CVE: CVE-2020-10188

ALAS: 2020-1387

IAVA: 2020-A-0293