RHEL 7 : gnutls (RHSA-2018:3050)

medium Nessus Plugin ID 118516

Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:3050 advisory.

- gnutls: HMAC-SHA-256 vulnerable to Lucky thirteen attack due to not enough dummy function calls (CVE-2018-10844)

- gnutls: HMAC-SHA-384 vulnerable to Lucky thirteen attack due to use of wrong constant (CVE-2018-10845)

- gnutls: Just in Time PRIME + PROBE cache-based side channel attack can lead to plaintext recovery (CVE-2018-10846)

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

http://www.nessus.org/u?2b0cc1e7

http://www.nessus.org/u?bd7f8f44

https://access.redhat.com/errata/RHSA-2018:3050

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

https://bugzilla.redhat.com/show_bug.cgi?id=1375307

https://bugzilla.redhat.com/show_bug.cgi?id=1434091

https://bugzilla.redhat.com/show_bug.cgi?id=1444792

https://bugzilla.redhat.com/show_bug.cgi?id=1460125

https://bugzilla.redhat.com/show_bug.cgi?id=1464896

https://bugzilla.redhat.com/show_bug.cgi?id=1561481

https://bugzilla.redhat.com/show_bug.cgi?id=1582571

https://bugzilla.redhat.com/show_bug.cgi?id=1582572

https://bugzilla.redhat.com/show_bug.cgi?id=1582574

Plugin Details

Severity: Medium

ID: 118516

File Name: redhat-RHSA-2018-3050.nasl

Version: 1.10

Type: local

Agent: unix

Published: 10/31/2018

Updated: 4/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2018-10845

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/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: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, cpe:/o:redhat:enterprise_linux:7

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: 10/30/2018

Vulnerability Publication Date: 8/22/2018

Reference Information

CVE: CVE-2018-10844, CVE-2018-10845, CVE-2018-10846

CWE: 327

RHSA: 2018:3050