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Squid 5.x < 5.0.4 Multiple Vulnerabilities

high Web App Scanning Plugin ID 112687

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Synopsis

Squid 5.x < 5.0.4 Multiple Vulnerabilities

Description

According to its self-reported version number, the version of Squid installed on the remote host is 5.x < 5.0.4 or prior to 4.13. It is, therefore, affected by multiple vulnerabilities:

 - Due to incorrect data validation Squid is vulnerable to HTTP request splitting and HTTP request smuggling attacks against HTTP and HTTPS traffic. This leads to cache poisoning. (CVE-2020-15810 / CVE-2020-15811)

 - Due to improper input validation Squid is vulnerable to a denial of service attack against the machine operating Squid. (CVE-2020-24606) Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Squid version 5.0.4 or later.

See Also

https://github.com/squid-cache/squid/security/advisories/GHSA-3365-q9qx-f98m

https://github.com/squid-cache/squid/security/advisories/GHSA-c7p8-xqhm-49wv

https://github.com/squid-cache/squid/security/advisories/GHSA-vvj7-xjgq-g2jg

Plugin Details

Severity: High

ID: 112687

Type: remote

Published: 2/10/2021

Updated: 3/14/2023

Scan Template: api, basic, full, pci, scan

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.1

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

CVSS Score Source: CVE-2020-24606

CVSS v3

Risk Factor: High

Base Score: 7.5

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

CVSS Score Source: CVE-2020-24606

Vulnerability Information

CPE: cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*

Exploit Ease: No known exploits are available

Patch Publication Date: 9/2/2020

Vulnerability Publication Date: 9/2/2020

Reference Information

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