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Amazon Linux AMI : squid (ALAS-2018-1081)

high Nessus Plugin ID 117605

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Synopsis

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

Description

The Squid Software Foundation Squid HTTP Caching Proxy contains a NULL pointer Dereference vulnerability in HTTP Response X-Forwarded-For header processing that can result in Denial of Service to all clients of the proxy. This attack appear to be exploitable via Remote HTTP server responding with an X-Forwarded-For header to certain types of HTTP request.(CVE-2018-1000027)

The Squid Software Foundation Squid HTTP Caching Proxy contains a Incorrect Pointer Handling vulnerability in ESI Response Processing that can result in Denial of Service for all clients using the proxy..
This attack appear to be exploitable via Remote server delivers an HTTP response payload containing valid but unusual ESI syntax.(CVE-2018-1000024)

Solution

Run 'yum update squid' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2018-1081.html

Plugin Details

Severity: High

ID: 117605

File Name: ala_ALAS-2018-1081.nasl

Version: 1.2

Type: local

Agent: unix

Published: 9/20/2018

Updated: 8/6/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2018-1000027

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:squid-migration-script, p-cpe:/a:amazon:linux:squid, p-cpe:/a:amazon:linux:squid-debuginfo

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/19/2018

Reference Information

CVE: CVE-2018-1000024, CVE-2018-1000027

ALAS: 2018-1081