RHEL 8 : gnutls (RHSA-2019:3600)

high Nessus Plugin ID 130558

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:3600 advisory.

The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS.

The following packages have been upgraded to a later upstream version: gnutls (3.6.8). (BZ#1689967)

Security Fix(es):

* gnutls: use-after-free/double-free in certificate verification (CVE-2019-3829)

* gnutls: invalid pointer access upon receiving async handshake messages (CVE-2019-3836)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.1 Release Notes linked from 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 affected packages.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=1684534

https://bugzilla.redhat.com/show_bug.cgi?id=1686579

https://bugzilla.redhat.com/show_bug.cgi?id=1686582

https://bugzilla.redhat.com/show_bug.cgi?id=1690440

https://bugzilla.redhat.com/show_bug.cgi?id=1691448

https://bugzilla.redhat.com/show_bug.cgi?id=1705478

https://bugzilla.redhat.com/show_bug.cgi?id=1706921

http://www.nessus.org/u?b8d3b26b

http://www.nessus.org/u?bfec8db8

https://access.redhat.com/errata/RHSA-2019:3600

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

https://bugzilla.redhat.com/show_bug.cgi?id=1667427

https://bugzilla.redhat.com/show_bug.cgi?id=1673975

https://bugzilla.redhat.com/show_bug.cgi?id=1677048

https://bugzilla.redhat.com/show_bug.cgi?id=1678411

https://bugzilla.redhat.com/show_bug.cgi?id=1680509

https://bugzilla.redhat.com/show_bug.cgi?id=1680510

https://bugzilla.redhat.com/show_bug.cgi?id=1684461

Plugin Details

Severity: High

ID: 130558

File Name: redhat-RHSA-2019-3600.nasl

Version: 1.7

Type: local

Agent: unix

Published: 11/6/2019

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: 4.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2019-3836

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:gnutls-dane, p-cpe:/a:redhat:enterprise_linux:gnutls, p-cpe:/a:redhat:enterprise_linux:gnutls-c%2b%2b, p-cpe:/a:redhat:enterprise_linux:gnutls-utils, p-cpe:/a:redhat:enterprise_linux:gnutls-devel, cpe:/o:redhat:enterprise_linux:8

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/5/2019

Vulnerability Publication Date: 3/27/2019

Reference Information

CVE: CVE-2019-3829, CVE-2019-3836

CWE: 416, 456

RHSA: 2019:3600