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Ubuntu 16.04 ESM : Vim vulnerabilities (USN-5433-1)

critical Nessus Plugin ID 161449

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Synopsis

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

Description

The remote Ubuntu 16.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5433-1 advisory.

 It was discovered that Vim incorrectly handled parsing of filenames in its search functionality. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service. (CVE-2021-3973)

 It was discovered that Vim incorrectly handled memory when opening and searching the contents of certain files. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges.
 (CVE-2021-3974)

 It was discovered that Vim incorrectly handled memory when opening and editing certain files. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges. (CVE-2021-3984, CVE-2021-4019, CVE-2021-4069)

 It was discovered that Vim was using freed memory when dealing with regular expressions inside a visual selection. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges.
 (CVE-2021-4192)

 It was discovered that Vim was incorrectly performing read and write operations when in visual block mode, going beyond the end of a line and causing a heap buffer overflow. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges. (CVE-2022-0261, CVE-2022-0318)

 It was discovered that Vim was using freed memory when dealing with regular expressions through its old regular expression engine. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges. (CVE-2022-1154)

Tenable has extracted the preceding description block directly from the Ubuntu 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

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-5433-1

Plugin Details

Severity: Critical

ID: 161449

File Name: ubuntu_USN-5433-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 5/24/2022

Updated: 8/27/2024

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

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

CVSS Score Source: CVE-2022-0318

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:vim-gtk3, p-cpe:/a:canonical:ubuntu_linux:vim-gtk3-py2, p-cpe:/a:canonical:ubuntu_linux:vim-gtk, p-cpe:/a:canonical:ubuntu_linux:vim-athena-py2, p-cpe:/a:canonical:ubuntu_linux:vim-gnome-py2, p-cpe:/a:canonical:ubuntu_linux:vim-gui-common, p-cpe:/a:canonical:ubuntu_linux:vim-gnome, cpe:/o:canonical:ubuntu_linux:16.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:vim-nox-py2, p-cpe:/a:canonical:ubuntu_linux:vim-common, p-cpe:/a:canonical:ubuntu_linux:vim-nox, p-cpe:/a:canonical:ubuntu_linux:vim-gtk-py2, p-cpe:/a:canonical:ubuntu_linux:vim-tiny, p-cpe:/a:canonical:ubuntu_linux:vim, p-cpe:/a:canonical:ubuntu_linux:vim-athena, p-cpe:/a:canonical:ubuntu_linux:vim-runtime

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: 5/23/2022

Vulnerability Publication Date: 11/19/2021

Reference Information

CVE: CVE-2021-3973, CVE-2021-3974, CVE-2021-3984, CVE-2021-4019, CVE-2021-4069, CVE-2021-4192, CVE-2022-0261, CVE-2022-0318, CVE-2022-1154

USN: 5433-1