Scientific Linux Security Update : screen on SL7.x x86_64 (2021:0742)

critical Nessus Plugin ID 147206

Synopsis

The remote Scientific Linux host is missing one or more security updates.

Description

The remote Scientific Linux 7 host has packages installed that are affected by a vulnerability as referenced in the SLSA-2021:0742-1 advisory.

- screen: crash when processing combining chars (CVE-2021-26937)

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 screen and / or screen-debuginfo packages.

See Also

https://www.scientificlinux.org/category/sl-errata/slsa-20210742-1

Plugin Details

Severity: Critical

ID: 147206

File Name: sl_20210308_screen_on_SL7_x.nasl

Version: 1.4

Type: local

Agent: unix

Published: 3/9/2021

Updated: 1/16/2024

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2021-26937

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

Vulnerability Information

CPE: cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:screen, p-cpe:/a:fermilab:scientific_linux:screen-debuginfo

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/8/2021

Vulnerability Publication Date: 2/9/2021

Reference Information

CVE: CVE-2021-26937