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Scientific Linux Security Update : expat on SL7.x x86_64 (20201001)

high Nessus Plugin ID 141698

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Synopsis

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

Description

Security Fix(es) :

 - expat: large number of colons in input makes parser consume high amount of resources, leading to DoS (CVE-2018-20843)

 - expat: heap-based buffer over-read via crafted XML input (CVE-2019-15903)

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?219bf024

Plugin Details

Severity: High

ID: 141698

File Name: sl_20201001_expat_on_SL7_x.nasl

Version: 1.5

Type: local

Agent: unix

Published: 10/21/2020

Updated: 2/14/2024

Supported Sensors: 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-2018-20843

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

CVSS Score Source: CVE-2019-15903

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:expat, p-cpe:/a:fermilab:scientific_linux:expat-debuginfo, p-cpe:/a:fermilab:scientific_linux:expat-devel, p-cpe:/a:fermilab:scientific_linux:expat-static, x-cpe:/o:fermilab:scientific_linux

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/1/2020

Vulnerability Publication Date: 6/24/2019

Reference Information

CVE: CVE-2018-20843, CVE-2019-15903