RHEL 7 : squid (RHSA-2020:4082)

High Nessus Plugin ID 141089

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VPR Score: 5.9

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4082 advisory.

- squid: Information Disclosure issue in FTP Gateway (CVE-2019-12528)

- squid: Request smuggling and poisoning attack against the HTTP cache (CVE-2020-15049)

- squid: HTTP Request Smuggling could result in cache poisoning (CVE-2020-15810)

- squid: HTTP Request Splitting could result in cache poisoning (CVE-2020-15811)

- squid: Improper input validation could result in a DoS (CVE-2020-24606)

- squid: Improper input validation issues in HTTP Request processing (CVE-2020-8449)

- squid: Buffer overflow in reverse-proxy configurations (CVE-2020-8450)

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

Solution

Update the affected squid, squid-migration-script and / or squid-sysvinit packages.

See Also

https://cwe.mitre.org/data/definitions/20.html

https://cwe.mitre.org/data/definitions/119.html

https://cwe.mitre.org/data/definitions/200.html

https://cwe.mitre.org/data/definitions/444.html

https://access.redhat.com/security/cve/CVE-2019-12528

https://access.redhat.com/security/cve/CVE-2020-8449

https://access.redhat.com/security/cve/CVE-2020-8450

https://access.redhat.com/security/cve/CVE-2020-15049

https://access.redhat.com/security/cve/CVE-2020-15810

https://access.redhat.com/security/cve/CVE-2020-15811

https://access.redhat.com/security/cve/CVE-2020-24606

https://access.redhat.com/errata/RHSA-2020:4082

https://bugzilla.redhat.com/1798534

https://bugzilla.redhat.com/1798540

https://bugzilla.redhat.com/1798552

https://bugzilla.redhat.com/1852550

https://bugzilla.redhat.com/1871700

https://bugzilla.redhat.com/1871702

https://bugzilla.redhat.com/1871705

Plugin Details

Severity: High

ID: 141089

File Name: redhat-RHSA-2020-4082.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2020/09/30

Updated: 2020/11/19

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 5.9

CVSS Score Source: CVE-2020-8450

CVSS v2.0

Base Score: 7.5

Temporal Score: 5.5

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 7.3

Temporal Score: 6.4

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:7::server, cpe:/o:redhat:enterprise_linux:7::workstation, p-cpe:/a:redhat:enterprise_linux:squid, p-cpe:/a:redhat:enterprise_linux:squid-migration-script, p-cpe:/a:redhat:enterprise_linux:squid-sysvinit

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/09/30

Vulnerability Publication Date: 2020/02/04

Reference Information

CVE: CVE-2019-12528, CVE-2020-8449, CVE-2020-8450, CVE-2020-15049, CVE-2020-15810, CVE-2020-15811, CVE-2020-24606

RHSA: 2020:4082

CWE: 20, 119, 200, 444