RHEL 7 : libmspack (RHSA-2018:3327)

high Nessus Plugin ID 118541

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Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:3327 advisory.

The libmspack packages contain a library providing compression and extraction of the Cabinet (CAB) file format used by Microsoft.

Security Fix(es):

* libmspack: off-by-one error in the CHM PMGI/PMGL chunk number validity checks (CVE-2018-14679)

* libmspack: off-by-one error in the CHM chunk number validity checks (CVE-2018-14680)

* libmspack: out-of-bounds write in kwajd_read_headers in mspack/kwajd.c (CVE-2018-14681)

* libmspack: off-by-one error in the TOLOWER() macro for CHM decompression (CVE-2018-14682)

For more details about the security issue(s), including the impact, a CVSS score, 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 7.6 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 RHEL libmspack package based on the guidance in RHSA-2018:3327.

Plugin Details

Severity: High

ID: 118541

File Name: redhat-RHSA-2018-3327.nasl

Version: 1.7

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 10/31/2018

Updated: 11/5/2024

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: 5.9

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2018-14682

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:libmspack-devel, p-cpe:/a:redhat:enterprise_linux:libmspack, 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: 7/28/2018

Reference Information

CVE: CVE-2018-14679, CVE-2018-14680, CVE-2018-14681, CVE-2018-14682

CWE: 193, 787

RHSA: 2018:3327

Detections

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