Debian DSA-4530-1 : expat - security update

high Nessus Plugin ID 129108

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Synopsis

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

Description

It was discovered that Expat, an XML parsing C library, did not properly handled internal entities closing the doctype, potentially resulting in denial of service or information disclosure if a malformed XML file is processed.

Solution

Upgrade the expat packages.

For the oldstable distribution (stretch), this problem has been fixed in version 2.2.0-2+deb9u3.

For the stable distribution (buster), this problem has been fixed in version 2.2.6-2+deb10u1.

Plugin Details

Severity: High

ID: 129108

File Name: debian_DSA-4530.nasl

Version: 1.3

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 9/23/2019

Updated: 4/24/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2019-15903

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:expat, cpe:/o:debian:debian_linux:9.0

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/22/2019

Vulnerability Publication Date: 9/4/2019

Reference Information

CVE: CVE-2019-15903

DSA: 4530

Detections

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