Amazon Linux 2 : squid (ALASSQUID4-2023-006)

medium Nessus Plugin ID 181961

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Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of squid installed on the remote host is prior to 4.13-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2SQUID4-2023-006 advisory.

A flaw was found in squid. Due to incorrect data validation, a HTTP Request Smuggling attack against HTTP and HTTPS traffic is possible leading to cache poisoning. The highest threat from this vulnerability is to data confidentiality and integrity. (CVE-2020-15810)

A flaw was found in squid. Due to incorrect data validation, an HTTP Request Splitting attack against HTTP and HTTPS traffic is possible leading to cache poisoning. The highest threat from this vulnerability is to data confidentiality and integrity. (CVE-2020-15811)

A flaw was found in squid. A denial of service attack is possible due to an improper input validation. The highest threat from this vulnerability is to system availability. (CVE-2020-24606)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Run 'yum update squid' to update your system.

Plugin Details

Severity: Medium

ID: 181961

File Name: al2_ALASSQUID4-2023-006.nasl

Version: 1.1

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 9/27/2023

Updated: 12/11/2024

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: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2020-15811

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: cpe:/o:amazon:linux:2, 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: 8/21/2023

Vulnerability Publication Date: 8/24/2020

Reference Information

CVE: CVE-2020-15810, CVE-2020-15811, CVE-2020-24606

IAVB: 2020-B-0050-S

Detections

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