RHEL 8 : squid:4 (RHSA-2021:1979)

high Nessus Plugin ID 149685

Synopsis

The remote Red Hat host is missing a security update for squid:4.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:1979 advisory.

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

Security Fix(es):

* squid: improper input validation may allow a trusted client to perform HTTP request smuggling (CVE-2020-25097)

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 this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL squid:4 package based on the guidance in RHSA-2021:1979.

See Also

http://www.nessus.org/u?6e0745dc

https://access.redhat.com/security/updates/classification/#important

https://access.redhat.com/errata/RHSA-2021:1979

https://bugzilla.redhat.com/show_bug.cgi?id=1939925

Plugin Details

Severity: High

ID: 149685

File Name: redhat-RHSA-2021-1979.nasl

Version: 1.11

Type: local

Agent: unix

Published: 5/19/2021

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Important

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-2020-25097

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:H/I:N/A:N

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:libecap, p-cpe:/a:redhat:enterprise_linux:libecap-devel, cpe:/o:redhat:rhel_eus:8.4, p-cpe:/a:redhat:enterprise_linux:squid, cpe:/o:redhat:enterprise_linux:8

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: 5/18/2021

Vulnerability Publication Date: 3/19/2021

Reference Information

CVE: CVE-2020-25097

CWE: 444

IAVB: 2021-B-0021-S

RHSA: 2021:1979