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Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS : Vim vulnerabilities (USN-5147-1)

high Nessus Plugin ID 155351

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Synopsis

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

Description

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5147-1 advisory.

 It was discovered that Vim incorrectly handled permissions on the .swp file. A local attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 14.04 ESM.
 (CVE-2017-17087)

 It was discovered that Vim incorrectly handled restricted mode. A local attacker could possibly use this issue to bypass restricted mode and execute arbitrary commands. Note: This update only makes executing shell commands more difficult. Restricted mode should not be considered a complete security measure. This issue only affected Ubuntu 14.04 ESM. (CVE-2019-20807)

 Brian Carpenter discovered that vim incorrectly handled memory when opening certain files. If a user was tricked into opening a specially crafted file, a remote attacker could crash the application, leading to a denial of service, or possible execute arbitrary code with user privileges. This issue only affected Ubuntu 20.04 LTS, Ubuntu 21.04 and Ubuntu 21.10. (CVE-2021-3872)

 It was discovered that vim incorrectly handled memory when opening certain files. If a user was tricked into opening a specially crafted file, a remote attacker could crash the application, leading to a denial of service, or possible execute arbitrary code with user privileges. (CVE-2021-3903)

 It was discovered that vim incorrectly handled memory when opening certain files. If a user was tricked into opening a specially crafted file, a remote attacker could crash the application, leading to a denial of service, or possible execute arbitrary code with user privileges. (CVE-2021-3927)

 It was discovered that vim incorrectly handled memory when opening certain files. If a user was tricked into opening a specially crafted file, a remote attacker could crash the application, leading to a denial of service, or possible execute arbitrary code with user privileges. (CVE-2021-3928)

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-5147-1

Plugin Details

Severity: High

ID: 155351

File Name: ubuntu_USN-5147-1.nasl

Version: 1.10

Type: local

Agent: unix

Published: 11/15/2021

Updated: 8/28/2024

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: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2021-3927

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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-2021-3928

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:vim-gtk-py2, p-cpe:/a:canonical:ubuntu_linux:vim, cpe:/o:canonical:ubuntu_linux:16.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:vim-runtime, p-cpe:/a:canonical:ubuntu_linux:vim-common, p-cpe:/a:canonical:ubuntu_linux:vim-nox, p-cpe:/a:canonical:ubuntu_linux:vim-tiny, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:xxd, p-cpe:/a:canonical:ubuntu_linux:vim-gtk3, p-cpe:/a:canonical:ubuntu_linux:vim-gnome, p-cpe:/a:canonical:ubuntu_linux:vim-athena, 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-lesstif, p-cpe:/a:canonical:ubuntu_linux:vim-nox-py2, p-cpe:/a:canonical:ubuntu_linux:vim-gtk, p-cpe:/a:canonical:ubuntu_linux:vim-gtk3-py2

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: 11/15/2021

Vulnerability Publication Date: 12/1/2017

Reference Information

CVE: CVE-2017-17087, CVE-2019-20807, CVE-2021-3872, CVE-2021-3903, CVE-2021-3927, CVE-2021-3928

IAVB: 2020-B-0053-S

USN: 5147-1