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Amazon Linux AMI : libxslt (ALAS-2019-1241)

critical Nessus Plugin ID 127069

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Synopsis

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

Description

libxslt allows bypass of a protection mechanism because callers of xsltCheckRead and xsltCheckWrite permit access even upon receiving a
-1 error code. xsltCheckRead can return -1 for a crafted URL that is not actually invalid and is subsequently loaded. (CVE-2019-11068)

Solution

Run 'yum update libxslt' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2019-1241.html

Plugin Details

Severity: Critical

ID: 127069

File Name: ala_ALAS-2019-1241.nasl

Version: 1.3

Type: local

Agent: unix

Published: 7/26/2019

Updated: 5/8/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2019-11068

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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:amazon:linux:libxslt-python26, p-cpe:/a:amazon:linux:libxslt-python27, p-cpe:/a:amazon:linux:libxslt-debuginfo, cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:libxslt-devel, p-cpe:/a:amazon:linux:libxslt

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/25/2019

Vulnerability Publication Date: 4/10/2019

Reference Information

CVE: CVE-2019-11068

ALAS: 2019-1241