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Ubuntu 16.04 ESM / 18.04 ESM : ncurses vulnerability (USN-6451-1)

medium Nessus Plugin ID 183834

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 ESM / 18.04 ESM host has packages installed that are affected by a vulnerability as referenced in the USN-6451-1 advisory.

 - Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command. (CVE-2020-19189)

Note that Nessus has not tested for this issue 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-6451-1

Plugin Details

Severity: Medium

ID: 183834

File Name: ubuntu_USN-6451-1.nasl

Version: 1.0

Type: local

Agent: unix

Published: 10/24/2023

Updated: 10/24/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2020-19189

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:lib32ncurses5-dev, p-cpe:/a:canonical:ubuntu_linux:lib32ncursesw5, p-cpe:/a:canonical:ubuntu_linux:libncursesw5, p-cpe:/a:canonical:ubuntu_linux:lib32ncursesw5-dev, p-cpe:/a:canonical:ubuntu_linux:ncurses-base, p-cpe:/a:canonical:ubuntu_linux:libx32ncursesw5-dev, p-cpe:/a:canonical:ubuntu_linux:libncursesw5-dev, p-cpe:/a:canonical:ubuntu_linux:libx32ncurses5, p-cpe:/a:canonical:ubuntu_linux:libtinfo5, p-cpe:/a:canonical:ubuntu_linux:libncurses5-dev, p-cpe:/a:canonical:ubuntu_linux:libx32ncursesw5, p-cpe:/a:canonical:ubuntu_linux:libx32tinfo5, cpe:/o:canonical:ubuntu_linux:16.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:libtinfo-dev, p-cpe:/a:canonical:ubuntu_linux:libx32ncurses5-dev, p-cpe:/a:canonical:ubuntu_linux:ncurses-bin, p-cpe:/a:canonical:ubuntu_linux:lib32ncurses5, p-cpe:/a:canonical:ubuntu_linux:lib32tinfo-dev, p-cpe:/a:canonical:ubuntu_linux:lib32tinfo5, p-cpe:/a:canonical:ubuntu_linux:lib64tinfo5, p-cpe:/a:canonical:ubuntu_linux:ncurses-examples, p-cpe:/a:canonical:ubuntu_linux:libncurses5, p-cpe:/a:canonical:ubuntu_linux:ncurses-term, p-cpe:/a:canonical:ubuntu_linux:libx32tinfo-dev, cpe:/o:canonical:ubuntu_linux:18.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:lib64ncurses5, p-cpe:/a:canonical:ubuntu_linux:lib64ncurses5-dev

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: 10/24/2023

Vulnerability Publication Date: 8/22/2023

Reference Information

CVE: CVE-2020-19189

USN: 6451-1