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.

The OpenSC set of libraries and utilities provides support for working with smart cards. OpenSC focuses on cards that support cryptographic operations and enables their use for authentication, mail encryption, or digital signatures.

The following packages have been upgraded to a later upstream version: opensc (0.20.0). (BZ#1810660)

Security Fix(es):

* 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: 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)

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

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 8.3 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 opensc package.

See Also

http://www.nessus.org/u?44b830f6

http://www.nessus.org/u?9158a225

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

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

https://bugzilla.redhat.com/show_bug.cgi?id=1765222

https://bugzilla.redhat.com/show_bug.cgi?id=1765229

https://bugzilla.redhat.com/show_bug.cgi?id=1782519

https://bugzilla.redhat.com/show_bug.cgi?id=1782955

https://bugzilla.redhat.com/show_bug.cgi?id=1810660

https://bugzilla.redhat.com/show_bug.cgi?id=1830856

https://bugzilla.redhat.com/show_bug.cgi?id=1837946

Plugin Details

Severity: Medium

ID: 142399

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

Version: 1.12

Type: local

Agent: unix

Published: 11/4/2020

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Moderate

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: p-cpe:/a:redhat:enterprise_linux:opensc, 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: 11/4/2020

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