CentOS 8 : squid:4 (CESA-2020:2041)

critical Nessus Plugin ID 145797

Synopsis

The remote CentOS host is missing one or more security updates.

Description

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:2041 advisory.

- squid: improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow (CVE-2019-12519)

- squid: parsing of header Proxy-Authentication leads to memory corruption (CVE-2019-12525)

- squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution (CVE-2020-11945)

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 affected libecap, libecap-devel and / or squid packages.

See Also

https://access.redhat.com/errata/RHSA-2020:2041

Plugin Details

Severity: Critical

ID: 145797

File Name: centos8_RHSA-2020-2041.nasl

Version: 1.5

Type: local

Agent: unix

Published: 2/1/2021

Updated: 2/8/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

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-2020-11945

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:libecap, p-cpe:/a:centos:centos:libecap-devel, p-cpe:/a:centos:centos:squid

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/6/2020

Vulnerability Publication Date: 7/11/2019

Reference Information

CVE: CVE-2019-12519, CVE-2019-12525, CVE-2020-11945

BID: 109382

RHSA: 2020:2041