RHEL 8 : gnutls (RHSA-2020:2639)

high Nessus Plugin ID 137669

Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:2639 advisory.

- gnutls: session resumption works without master key allowing MITM (CVE-2020-13777)

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 packages.

See Also

https://access.redhat.com/security/cve/CVE-2020-13777

https://access.redhat.com/errata/RHSA-2020:2639

https://bugzilla.redhat.com/1843723

Plugin Details

Severity: High

ID: 137669

File Name: redhat-RHSA-2020-2639.nasl

Version: 1.8

Type: local

Agent: unix

Published: 6/22/2020

Updated: 5/25/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2020-13777

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

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

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_e4s:8.0, p-cpe:/a:redhat:enterprise_linux:gnutls, p-cpe:/a:redhat:enterprise_linux:gnutls-c%2b%2b, p-cpe:/a:redhat:enterprise_linux:gnutls-dane, p-cpe:/a:redhat:enterprise_linux:gnutls-devel, p-cpe:/a:redhat:enterprise_linux:gnutls-utils

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: 6/22/2020

Vulnerability Publication Date: 6/4/2020

Reference Information

CVE: CVE-2020-13777

CWE: 345

RHSA: 2020:2639