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Squid 3.5.x < 3.5.23 / 4.x < 4.0.17 Information Disclosure Vulnerability (SQUID-2016:10)

high Nessus Plugin ID 100617

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Synopsis

The remote proxy server is affected by an information disclosure vulnerability.

Description

According to its banner, the version of Squid running on the remote host is 3.x prior to 3.5.23, or 4.x prior to 4.0.17. It is, therefore, affected by an information disclosure vulnerability in the collapsed forwarding feature due to the incorrect comparison of request headers. An unauthenticated, remote attacker can exploit this to disclose potentially sensitive information.

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 3.5.23 or 4.0.17 or later. Alternatively, apply the vendor-supplied patch.

See Also

http://www.squid-cache.org/Advisories/SQUID-2016_10.txt

Plugin Details

Severity: High

ID: 100617

File Name: squid_4_0_17.nasl

Version: 1.6

Type: remote

Family: Firewalls

Published: 6/5/2017

Updated: 3/27/2019

Configuration: Enable paranoid mode

Supported Sensors: 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:P/I:N/A:N

CVSS Score Source: CVE-2016-10003

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:H/I:N/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-2016-10003

BID: 94953