RHEL 8 : tcpdump (RHSA-2021:4236)

high Nessus Plugin ID 155080

Synopsis

The remote Red Hat host is missing a security update for tcpdump.

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2021:4236 advisory.

- tcpdump: ppp decapsulator can be convinced to allocate a large amount of memory (CVE-2020-8037)

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 tcpdump package based on the guidance in RHSA-2021:4236.

See Also

http://www.nessus.org/u?3c4a8397

http://www.nessus.org/u?7240878e

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

https://access.redhat.com/errata/RHSA-2021:4236

https://bugzilla.redhat.com/show_bug.cgi?id=1860216

https://bugzilla.redhat.com/show_bug.cgi?id=1895080

Plugin Details

Severity: High

ID: 155080

File Name: redhat-RHSA-2021-4236.nasl

Version: 1.9

Type: local

Agent: unix

Published: 11/11/2021

Updated: 4/28/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, 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:N/I:N/A:P

CVSS Score Source: CVE-2020-8037

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:N/I:N/A:H

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:tcpdump

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: 11/9/2021

Vulnerability Publication Date: 11/4/2020

Reference Information

CVE: CVE-2020-8037

CWE: 400

RHSA: 2021:4236