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

high Nessus Plugin ID 141698

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VPR Score: 4.4

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: 1.2

Type: local

Agent: unix

Published: 10/21/2020

Updated: 10/23/2020

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 4.4

CVSS v2.0

Base Score: 7.8

Temporal Score: 5.8

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: E:U/RL:O/RC:C

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 Ease: No known exploits are available

Patch Publication Date: 10/1/2020

Vulnerability Publication Date: 6/24/2019

Reference Information

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