Amazon Linux 2 : vim (ALAS-2022-1743)

high Nessus Plugin ID 158046

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Synopsis

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

Description

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2022-1743 advisory.

vim is vulnerable to Heap-based Buffer Overflow (CVE-2021-3903)

A flaw was found in vim. A possible heap-based buffer overflow could allow an attacker to input a specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2021-3927)

A flaw was found in vim. A possible stack-based buffer overflow could allow an attacker to input a specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2021-3928)

A flaw was found in vim. A possible heap use-after-free vulnerability could allow an attacker to input a specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is to system availability. (CVE-2021-3968)

A flaw was found in vim. A possible heap-based buffer overflow could allow an attacker to input a specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is to system availability. (CVE-2021-3973)

A flaw was found in vim. A possible use-after-free vulnerability could allow an attacker to input a specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is to system availability. (CVE-2021-3974)

A flaw was found in vim. A possible heap-based buffer overflow allows an attacker to input a specially crafted file, leading to a crash or code execution. The highest threat from this vulnerability is confidentiality, integrity, and system availability. (CVE-2021-3984)

A flaw was found in vim. A possible heap-based buffer overflow vulnerability allows an attacker to input a specially crafted file, leading to a crash or code execution. The highest threat from this vulnerability is system availability. (CVE-2021-4019)

vim is vulnerable to Use After Free (CVE-2021-4069)

A flaw was found in vim. A possible heap-based buffer overflow could allow an attacker to input a specially crafted file leading to a crash or code execution. (CVE-2021-4136)

A flaw was found in vim. A possible heap-based buffer overflow could allow an attacker to input a specially crafted file leading to a crash or code execution. (CVE-2021-4166)

A flaw was found in vim. A possible use after free vulnerability could allow an attacker to input a specially crafted file leading to a crash or code execution. (CVE-2021-4173)

A flaw was found in vim. A possible use after free vulnerability could allow an attacker to input a specially crafted file leading to a crash or code execution. (CVE-2021-4187)

It was found that vim was vulnerable to use-after-free flaw in win_linetabsize(). Sourcing a specially crafted file in vim could crash the vim process or possibly lead to other undefined behaviors.
(CVE-2021-4192)

It was found that vim was vulnerable to an out-of-bound read flaw in getvcol(). A specially crafted file could be used to, when opened in vim, disclose some of the process's internal memory. (CVE-2021-4193)

References to CVE-2021-4192 and CVE-2021-4193 have been added after the original release of this advisory, however those vulnerabilities were fixed by the packages referenced by this advisory's initial release on 2022-01-18.

Tenable has extracted the preceding description block directly from the tested product security advisory.

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

Solution

Run 'yum update vim' to update your system.

Plugin Details

Severity: High

ID: 158046

File Name: al2_ALAS-2022-1743.nasl

Version: 1.5

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 2/14/2022

Updated: 12/11/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 7.3

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

CVSS Score Source: CVE-2021-3973

CVSS v3

Risk Factor: High

Base Score: 8

Temporal Score: 7.2

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

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

CVSS Score Source: CVE-2021-3968

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:vim-filesystem, p-cpe:/a:amazon:linux:vim-data, p-cpe:/a:amazon:linux:vim-x11, p-cpe:/a:amazon:linux:vim-common, p-cpe:/a:amazon:linux:vim-minimal, p-cpe:/a:amazon:linux:vim-enhanced, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:vim-debuginfo

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/18/2022

Vulnerability Publication Date: 10/27/2021

Reference Information

CVE: CVE-2021-3903, CVE-2021-3927, CVE-2021-3928, CVE-2021-3968, CVE-2021-3973, CVE-2021-3974, CVE-2021-3984, CVE-2021-4019, CVE-2021-4069, CVE-2021-4136, CVE-2021-4166, CVE-2021-4173, CVE-2021-4187, CVE-2021-4192, CVE-2021-4193

ALAS: 2022-1743

Detections

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