Scientific Linux Security Update : libxml2 on SL7.x x86_64 (20200407)

Medium Nessus Plugin ID 135819

New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it's different from CVSS.

VPR Score: 6.7

Synopsis

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

Description

* libxml2: Use after free triggered by XPointer paths beginning with range-to * libxml2: Use after free in xmlXPathCompOpEvalPositionalPredicate() function in xpath.c * libxml2:
DoS caused by incorrect error detection during XZ decompression * libxml2: NULL pointer dereference in xmlXPathCompOpEval() function in xpath.c * libxml2: Unrestricted memory usage in xz_head() function in xzlib.c * libxml2: Infinite loop caused by incorrect error detection during LZMA decompression

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?988a1301

Plugin Details

Severity: Medium

ID: 135819

File Name: sl_20200407_libxml2_on_SL7_x.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2020/04/21

Updated: 2020/04/24

Dependencies: 12634

Risk Information

Risk Factor: Medium

VPR Score: 6.7

CVSS v2.0

Base Score: 6.8

Temporal Score: 5

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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/cpu, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/04/07

Vulnerability Publication Date: 2015/11/18

Reference Information

CVE: CVE-2015-8035, CVE-2016-5131, CVE-2017-15412, CVE-2017-18258, CVE-2018-14404, CVE-2018-14567