CVE-2018-14682: High severity Cabextract Libmspack vulnerability

Published Jul 28, 2018
·
Updated

An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the TOLOWER() macro for CHM decompression.

Affected Software

57 affected componentsFixes available
redhat/libmspack<0.7
0.7
debian/libmspack
0.10.1-20.11-10.11-1.1
Cabextract Libmspack=0.0.20060920-alpha
Cabextract Libmspack=0.3-alpha
Cabextract Libmspack=0.4-alpha
Cabextract Libmspack=0.5-alpha
Cabextract Libmspack=0.6-alpha
Cabextract Project Cabextract<=1.5
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Debian Debian Linux=8.0
Debian Debian Linux=9.0
redhat Ansible Tower=3.3
redhat Enterprise Linux Desktop=7.0
redhat Enterprise Linux Server=7.0
redhat Enterprise Linux Workstation=7.0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/clamav<0.100.2-r0
0.100.2-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0
alpine/libmspack<0.7.1_alpha-r0
0.7.1_alpha-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/libmspack to a version that resolves this vulnerability.

    Fixed in 0.7
  2. Upgrade

    Upgrade debian/libmspack to a version that resolves this vulnerability.

    Fixed in 0.10.1-2Fixed in 0.11-1Fixed in 0.11-1.1
  3. Upgrade

    Upgrade alpine/clamav to a version that resolves this vulnerability.

    Fixed in 0.100.2-r0
  4. Upgrade

    Upgrade alpine/libmspack to a version that resolves this vulnerability.

    Fixed in 0.7.1_alpha-r0
  5. Upgrade

    Upgrade libmspack to a version that resolves this vulnerability.

    Fixed in 0.7alpha

Event History

Jul 28, 2018
Data Sourced
07:33 AM
SeverityAffected Software
CVE Published
via MITRE·11:00 PM
Data Sourced
via MITRE·11:00 PM
Description
Data Sourced
via NVD·11:29 PM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·11:29 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2018-14682.

2

What is the severity of CVE-2018-14682?

The severity of CVE-2018-14682 is high, with a CVSS score of 8.8.

3

What is the affected software for CVE-2018-14682?

The affected software for CVE-2018-14682 is libmspack before version 0.7alpha.

4

How can I fix CVE-2018-14682?

To fix CVE-2018-14682, it is recommended to update libmspack to version 0.7 or later.

5

Where can I find more information about CVE-2018-14682?

You can find more information about CVE-2018-14682 on the following references: (1) http://www.openwall.com/lists/oss-security/2018/07/26/1, (2) http://www.securitytracker.com/id/1041410, (3) https://access.redhat.com/errata/RHSA-2018:3327

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