RHEL 7 : squid (RHSA-2020:4082)

high Nessus Plugin ID 141089

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Synopsis

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

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 is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.

Security Fix(es):

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

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

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

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

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

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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

Update the RHEL squid package based on the guidance in RHSA-2020:4082.

Plugin Details

Severity: High

ID: 141089

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

Version: 1.12

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 9/30/2020

Updated: 11/7/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2020-8450

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

CVSS Score Source: CVE-2020-15049

Vulnerability Information

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

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: 9/30/2020

Vulnerability Publication Date: 2/4/2020

Reference Information

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

CWE: 119, 20, 200, 444

IAVB: 2020-B-0050-S

RHSA: 2020:4082

Detections

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