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Amazon Linux AMI : xmlsec1 (ALAS-2017-890)

high Nessus Plugin ID 103224

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Synopsis

The remote Amazon Linux AMI host is missing a security update.

Description

It was discovered xmlsec1's use of libxml2 inadvertently enabled external entity expansion (XXE) along with validation. An attacker could craft an XML file that would cause xmlsec1 to try and read local files or HTTP/FTP URLs, leading to information disclosure or denial of service. (CVE-2017-1000061)

Solution

Run 'yum update xmlsec1' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2017-890.html

Plugin Details

Severity: High

ID: 103224

File Name: ala_ALAS-2017-890.nasl

Version: 3.5

Type: local

Agent: unix

Published: 9/15/2017

Updated: 11/21/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2017-1000061

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:xmlsec1-gcrypt, p-cpe:/a:amazon:linux:xmlsec1, p-cpe:/a:amazon:linux:xmlsec1-gnutls-devel, p-cpe:/a:amazon:linux:xmlsec1-gnutls, p-cpe:/a:amazon:linux:xmlsec1-openssl, p-cpe:/a:amazon:linux:xmlsec1-nss-devel, p-cpe:/a:amazon:linux:xmlsec1-openssl-devel, p-cpe:/a:amazon:linux:xmlsec1-devel, cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:xmlsec1-debuginfo, p-cpe:/a:amazon:linux:xmlsec1-gcrypt-devel, p-cpe:/a:amazon:linux:xmlsec1-nss

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/13/2017

Reference Information

CVE: CVE-2017-1000061

ALAS: 2017-890