Debian DSA-4086-1 : libxml2 - security update

high Nessus Plugin ID 105801

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Synopsis

The remote Debian host is missing a security-related update.

Description

Nick Wellnhofer discovered that certain function calls inside XPath predicates can lead to use-after-free and double-free errors when executed by libxml2's XPath engine via an XSLT transformation.

Solution

Upgrade the libxml2 packages.

For the oldstable distribution (jessie), this problem has been fixed in version 2.9.1+dfsg1-5+deb8u6.

For the stable distribution (stretch), this problem has been fixed in version 2.9.4+dfsg1-2.2+deb9u2.

Plugin Details

Severity: High

ID: 105801

File Name: debian_DSA-4086.nasl

Version: 3.4

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 1/15/2018

Updated: 11/13/2018

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

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

CVSS v3

Risk Factor: High

Base Score: 8.8

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libxml2, cpe:/o:debian:debian_linux:8.0, cpe:/o:debian:debian_linux:9.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Patch Publication Date: 1/13/2018

Reference Information

CVE: CVE-2017-15412

DSA: 4086

Detections

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