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Scientific Linux Security Update : libxml2 on SL7.x x86_64 (20201001)

high Nessus Plugin ID 141661

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Synopsis

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

Description

Security Fix(es) :

 - libxml2: memory leak in xmlParseBalancedChunkMemoryRecover in parser.c (CVE-2019-19956)

 - libxml2: memory leak in xmlSchemaPreRun in xmlschemas.c (CVE-2019-20388)

 - libxml2: infinite loop in xmlStringLenDecodeEntities in some end-of-file situations (CVE-2020-7595)

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?9d46a818

Plugin Details

Severity: High

ID: 141661

File Name: sl_20201001_libxml2_on_SL7_x.nasl

Version: 1.3

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: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2020-7595

CVSS v3

Risk Factor: High

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: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:libxml2, p-cpe:/a:fermilab:scientific_linux:libxml2-debuginfo, p-cpe:/a:fermilab:scientific_linux:libxml2-devel, p-cpe:/a:fermilab:scientific_linux:libxml2-python, p-cpe:/a:fermilab:scientific_linux:libxml2-static, x-cpe:/o:fermilab:scientific_linux

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/1/2020

Vulnerability Publication Date: 12/24/2019

Reference Information

CVE: CVE-2019-19956, CVE-2019-20388, CVE-2020-7595