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Debian DLA-3586-1 : ncurses - LTS security update

medium Nessus Plugin ID 182157

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Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3586 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

Upgrade the ncurses packages.

For Debian 10 buster, these problems have been fixed in version 6.1+20181013-2+deb10u4.

See Also

https://security-tracker.debian.org/tracker/source-package/ncurses

https://www.debian.org/lts/security/2023/dla-3586

https://security-tracker.debian.org/tracker/CVE-2020-19189

https://packages.debian.org/source/buster/ncurses

Plugin Details

Severity: Medium

ID: 182157

File Name: debian_DLA-3586.nasl

Version: 1.0

Type: local

Agent: unix

Published: 9/28/2023

Updated: 9/28/2023

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, 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:debian:debian_linux:libncurses-dev, p-cpe:/a:debian:debian_linux:libncursesw6, p-cpe:/a:debian:debian_linux:ncurses-examples, p-cpe:/a:debian:debian_linux:lib64ncursesw6, p-cpe:/a:debian:debian_linux:libtinfo5, p-cpe:/a:debian:debian_linux:libtinfo6-dbg, p-cpe:/a:debian:debian_linux:libncursesw5, p-cpe:/a:debian:debian_linux:libncursesw6-dbg, p-cpe:/a:debian:debian_linux:ncurses-bin, p-cpe:/a:debian:debian_linux:ncurses-term, p-cpe:/a:debian:debian_linux:libncurses5-dev, cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:lib32tinfo6, p-cpe:/a:debian:debian_linux:libtinfo-dev, p-cpe:/a:debian:debian_linux:lib64ncurses6, p-cpe:/a:debian:debian_linux:lib64tinfo6, p-cpe:/a:debian:debian_linux:libncurses6, p-cpe:/a:debian:debian_linux:lib32ncurses6, p-cpe:/a:debian:debian_linux:lib32ncurses-dev, p-cpe:/a:debian:debian_linux:libncurses5, p-cpe:/a:debian:debian_linux:libtinfo6, p-cpe:/a:debian:debian_linux:ncurses-doc, p-cpe:/a:debian:debian_linux:lib32ncursesw6, p-cpe:/a:debian:debian_linux:libncurses6-dbg, p-cpe:/a:debian:debian_linux:libncursesw5-dev, p-cpe:/a:debian:debian_linux:ncurses-base, p-cpe:/a:debian:debian_linux:lib64ncurses-dev

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/28/2023

Vulnerability Publication Date: 8/22/2023

Reference Information

CVE: CVE-2020-19189