Amazon Linux 2 : vim (ALAS-2021-1728)

high Nessus Plugin ID 155982

Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2021-1728 advisory.

- vim is vulnerable to Heap-based Buffer Overflow (CVE-2021-3778, CVE-2021-3872, CVE-2021-3875, CVE-2021-3968, CVE-2021-3973)

- vim is vulnerable to Use After Free (CVE-2021-3796, CVE-2021-3974)

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

Solution

Run 'yum update vim' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2021-1728.html

https://access.redhat.com/security/cve/CVE-2021-3778

https://access.redhat.com/security/cve/CVE-2021-3796

https://access.redhat.com/security/cve/CVE-2021-3872

https://access.redhat.com/security/cve/CVE-2021-3875

https://access.redhat.com/security/cve/CVE-2021-3968

https://access.redhat.com/security/cve/CVE-2021-3973

https://access.redhat.com/security/cve/CVE-2021-3974

Plugin Details

Severity: High

ID: 155982

File Name: al2_ALAS-2021-1728.nasl

Version: 1.3

Type: local

Agent: unix

Published: 12/10/2021

Updated: 5/6/2022

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

Risk Information

CVSS Score Source: CVE-2021-3973

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 8

Temporal Score: 7

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:vim-X11, p-cpe:/a:amazon:linux:vim-common, p-cpe:/a:amazon:linux:vim-debuginfo, p-cpe:/a:amazon:linux:vim-enhanced, p-cpe:/a:amazon:linux:vim-filesystem, p-cpe:/a:amazon:linux:vim-minimal, cpe:/o:amazon:linux:2

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/8/2021

Vulnerability Publication Date: 9/15/2021

Reference Information

CVE: CVE-2021-3778, CVE-2021-3796, CVE-2021-3872, CVE-2021-3875, CVE-2021-3968, CVE-2021-3973, CVE-2021-3974

ALAS: 2021-1728