8.8
HIGH
CVE-2018-14682
MSPack CHM Off-by-One Error Vulnerability
Description

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.

INFO

Published Date :

July 28, 2018, 11:29 p.m.

Last Modified :

April 26, 2021, 11:45 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2018-14682 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux_desktop
2 Redhat enterprise_linux_server
3 Redhat enterprise_linux_workstation
4 Redhat ansible_tower
1 Canonical ubuntu_linux
1 Debian debian_linux
1 Cabextract libmspack
1 Cabextract_project cabextract
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-14682.

URL Resource
http://www.openwall.com/lists/oss-security/2018/07/26/1 Mailing List Third Party Advisory
http://www.securitytracker.com/id/1041410 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3327 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3505 Third Party Advisory
https://bugs.debian.org/904800 Issue Tracking Mailing List Patch Third Party Advisory
https://github.com/kyz/libmspack/commit/4fd9ccaa54e1aebde1e4b95fb0163b699fd7bcc8 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00007.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201903-20 Third Party Advisory
https://usn.ubuntu.com/3728-1/ Third Party Advisory
https://usn.ubuntu.com/3728-2/ Third Party Advisory
https://usn.ubuntu.com/3728-3/ Third Party Advisory
https://usn.ubuntu.com/3789-2/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4260 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-14682 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-14682 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Apr. 26, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cabextract:cabextract:*:*:*:*:*:*:*:* versions from (including) 1.5 OR *cpe:2.3:a:cabextract_project:cabextract:*:*:*:*:*:*:*:* versions from (including) 1.5
  • CWE Remap by [email protected]

    Aug. 24, 2020

    Action Type Old Value New Value
    Changed CWE CWE-682 CWE-193
  • Modified Analysis by [email protected]

    Mar. 28, 2019

    Action Type Old Value New Value
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:3505 No Types Assigned https://access.redhat.com/errata/RHSA-2018:3505 Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3789-2/ No Types Assigned https://usn.ubuntu.com/3789-2/ Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:3327 No Types Assigned https://access.redhat.com/errata/RHSA-2018:3327 Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/201903-20 No Types Assigned https://security.gentoo.org/glsa/201903-20 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:redhat:ansible_tower:3.3:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 28, 2019

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201903-20 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 07, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:3505 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 31, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:3327 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 17, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3789-2/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Oct. 03, 2018

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.debian.org/security/2018/dsa-4260 No Types Assigned https://www.debian.org/security/2018/dsa-4260 Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3728-3/ No Types Assigned https://usn.ubuntu.com/3728-3/ Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/08/msg00007.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/08/msg00007.html Mailing List, Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2018/07/26/1 No Types Assigned http://www.openwall.com/lists/oss-security/2018/07/26/1 Mailing List, Third Party Advisory
    Changed Reference Type http://www.securitytracker.com/id/1041410 No Types Assigned http://www.securitytracker.com/id/1041410 Third Party Advisory, VDB Entry
    Changed Reference Type https://bugs.debian.org/904800 No Types Assigned https://bugs.debian.org/904800 Issue Tracking, Mailing List, Patch, Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3728-1/ No Types Assigned https://usn.ubuntu.com/3728-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3728-2/ No Types Assigned https://usn.ubuntu.com/3728-2/ Third Party Advisory
    Changed Reference Type https://github.com/kyz/libmspack/commit/4fd9ccaa54e1aebde1e4b95fb0163b699fd7bcc8 No Types Assigned https://github.com/kyz/libmspack/commit/4fd9ccaa54e1aebde1e4b95fb0163b699fd7bcc8 Patch, Third Party Advisory
    Added CWE CWE-682
    Added CPE Configuration OR *cpe:2.3:a:cabextract:cabextract:*:*:*:*:*:*:*:* versions up to (including) 1.5 *cpe:2.3:a:cabextract:libmspack:0.0.20060920:alpha:*:*:*:*:*:* *cpe:2.3:a:cabextract:libmspack:0.3:alpha:*:*:*:*:*:* *cpe:2.3:a:cabextract:libmspack:0.4:alpha:*:*:*:*:*:* *cpe:2.3:a:cabextract:libmspack:0.5:alpha:*:*:*:*:*:* *cpe:2.3:a:cabextract:libmspack:0.6:alpha:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Aug. 11, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3728-2/ [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 08, 2018

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2018/08/msg00007.html [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 06, 2018

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1041410 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 04, 2018

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2018/dsa-4260 [No Types Assigned]
    Added Reference https://usn.ubuntu.com/3728-3/ [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 03, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3728-1/ [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-14682 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-14682 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.58 }} -0.16%

score

0.77531

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability