Detections
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CentOS 8 : opensc (CESA-2020:4483)

medium Nessus Plugin ID 145809

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Synopsis

The remote CentOS host is missing one or more security updates.

Description

The remote CentOS Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the CESA-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 this issue 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/errata/RHSA-2020:4483

Plugin Details

Severity: Medium

ID: 145809

File Name: centos8_RHSA-2020-4483.nasl

Version: 1.5

Type: local

Agent: unix

Published: 2/1/2021

Updated: 1/25/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment 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:centos:centos:8, p-cpe:/a:centos:centos:opensc

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

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

RHSA: 2020:4483