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Squid 3.2.0.11 < 3.x < 3.5.18 / 4.x < 4.0.10 Cache Poisoning Vulnerability (SQUID-2016:7)

high Nessus Plugin ID 119722

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Synopsis

The remote proxy server is affected by a cache poisoning vulnerability.

Description

According to its banner, the version of Squid running on the remote host is 3.x after 3.2.0.11 and prior to 3.5.18, or 4.x prior to 4.0.10. It is, therefore, affected by a cache poisoning vulnerability in the handling of HTTP requests.

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

Solution

Upgrade to Squid version 3.5.18 or 4.0.10 or later. Alternatively, apply the vendor-supplied patch.

See Also

http://www.squid-cache.org/Advisories/SQUID-2016_7.txt

Plugin Details

Severity: High

ID: 119722

File Name: squid_2016_7.nasl

Version: 1.2

Type: remote

Family: Firewalls

Published: 12/17/2018

Updated: 10/31/2019

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2016-4553

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

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

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

Vulnerability Information

CPE: cpe:/a:squid-cache:squid

Required KB Items: installed_sw/Squid, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 5/6/2016

Vulnerability Publication Date: 5/6/2016

Reference Information

CVE: CVE-2016-4553