// For flags

CVE-2018-14679

libmspack: off-by-one error in the CHM PMGI/PMGL chunk number validity checks

Severity Score

6.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the CHM PMGI/PMGL chunk number validity checks, which could lead to denial of service (uninitialized data dereference and application crash).

Se ha descubierto un problema en mspack/chmd.c en libmspack en versiones anteriores a la 0.7alpha. Hay un error por un paso en las comprobaciones de validez de los números de chunk de CHM PMGI/PMGL que podría conducir a una denegación de servicio (referencia de datos no inicializados y cierre inesperado de la aplicación).

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2018-07-28 CVE Reserved
  • 2018-07-28 CVE Published
  • 2024-02-21 EPSS Updated
  • 2024-08-05 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-193: Off-by-one Error
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cabextract
Search vendor "Cabextract"
Libmspack
Search vendor "Cabextract" for product "Libmspack"
0.0.20060920
Search vendor "Cabextract" for product "Libmspack" and version "0.0.20060920"
alpha
Affected
Cabextract
Search vendor "Cabextract"
Libmspack
Search vendor "Cabextract" for product "Libmspack"
0.3
Search vendor "Cabextract" for product "Libmspack" and version "0.3"
alpha
Affected
Cabextract
Search vendor "Cabextract"
Libmspack
Search vendor "Cabextract" for product "Libmspack"
0.4
Search vendor "Cabextract" for product "Libmspack" and version "0.4"
alpha
Affected
Cabextract
Search vendor "Cabextract"
Libmspack
Search vendor "Cabextract" for product "Libmspack"
0.5
Search vendor "Cabextract" for product "Libmspack" and version "0.5"
alpha
Affected
Cabextract
Search vendor "Cabextract"
Libmspack
Search vendor "Cabextract" for product "Libmspack"
0.6
Search vendor "Cabextract" for product "Libmspack" and version "0.6"
alpha
Affected
Cabextract Project
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Cabextract
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<= 1.5
Search vendor "Cabextract Project" for product "Cabextract" and version " <= 1.5"
-
Affected
Canonical
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Ubuntu Linux
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12.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"
esm
Affected
Canonical
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Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
14.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"
lts
Affected
Canonical
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Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
16.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"
lts
Affected
Canonical
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Ubuntu Linux
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18.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"
lts
Affected
Debian
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Debian Linux
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8.0
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-
Affected
Debian
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Debian Linux
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9.0
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-
Affected
Redhat
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Ansible Tower
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3.3
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-
Affected
Redhat
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Enterprise Linux Desktop
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7.0
Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0"
-
Affected
Redhat
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Enterprise Linux Server
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7.0
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-
Affected
Redhat
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Enterprise Linux Workstation
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7.0
Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0"
-
Affected
Canonical
Search vendor "Canonical"
Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
12.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"
esm
Affected