RHEL 8 : opensc (RHSA-2020:4483)

medium Nessus Plugin ID 142399

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:4483 advisory.

- opensc: Out-of-bounds access of an ASN.1 Bitstring in decode_bit_string in libopensc/asn1.c (CVE-2019-15945)

- opensc: Out-of-bounds access of an ASN.1 Octet string in asn1_decode_entry in libopensc/asn1.c (CVE-2019-15946)

- opensc: Incorrect read operation during parsing of a SETCOS file attribute (CVE-2019-19479)

- opensc: Improper handling of buffer limits for CAC certificates (CVE-2019-19481)

- opensc: Double free in coolkey_free_private_data in libopensc/card-coolkey.c (CVE-2019-20792)

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 opensc package.

See Also

https://access.redhat.com/security/cve/CVE-2019-15945

https://access.redhat.com/security/cve/CVE-2019-15946

https://access.redhat.com/security/cve/CVE-2019-19479

https://access.redhat.com/security/cve/CVE-2019-19481

https://access.redhat.com/security/cve/CVE-2019-20792

https://access.redhat.com/errata/RHSA-2020:4483

https://bugzilla.redhat.com/1765222

https://bugzilla.redhat.com/1765229

https://bugzilla.redhat.com/1782519

https://bugzilla.redhat.com/1782955

https://bugzilla.redhat.com/1837946

Plugin Details

Severity: Medium

ID: 142399

File Name: redhat-RHSA-2020-4483.nasl

Version: 1.10

Type: local

Agent: unix

Published: 11/4/2020

Updated: 2/9/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2019-20792

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 6.1

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.4, cpe:/o:redhat:rhel_aus:8.6, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_e4s:8.6, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_eus:8.6, cpe:/o:redhat:rhel_tus:8.4, cpe:/o:redhat:rhel_tus:8.6, p-cpe:/a:redhat:enterprise_linux:opensc

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: 11/4/2020

Vulnerability Publication Date: 9/5/2019

Reference Information

CVE: CVE-2019-15945, CVE-2019-15946, CVE-2019-19479, CVE-2019-19481, CVE-2019-20792

CWE: 119, 125, 416

RHSA: 2020:4483