CVE-2018-14679
published 2018-07-28CVE-2018-14679: 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…
PriorityP426medium6.5CVSS 3.0
AVNACLPRNUIRSUCNINAH
EPSS
3.27%
88.3th percentile
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).
Affected
25 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cabextract | libmspack | — | — |
| cabextract | libmspack | — | — |
| cabextract | libmspack | — | — |
| cabextract | libmspack | — | — |
| cabextract | libmspack | — | — |
| cabextract_project | cabextract | <= 1.5 | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| clamav | clamav | >= 0 < 0.100.1+dfsg-1ubuntu0.14.04.3 | 0.100.1+dfsg-1ubuntu0.14.04.3 |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | libmspack | < libmspack 0.7-1 (bookworm) | libmspack 0.7-1 (bookworm) |
| libmspack_project | libmspack | >= 0 < 0.7-1 | 0.7-1 |
| libmspack_project | libmspack | >= 0 < 0.7-1 | 0.7-1 |
| libmspack_project | libmspack | >= 0 < 0.7-1 | 0.7-1 |
| libmspack_project | libmspack | >= 0 < 0.7-1 | 0.7-1 |
| libmspack_project | libmspack | >= 0 < 0.5-1ubuntu0.16.04.2 | 0.5-1ubuntu0.16.04.2 |
| libmspack_project | libmspack | >= 0 < 0.6-3ubuntu0.1 | 0.6-3ubuntu0.1 |
| libmspack_project | libmspack | >= 0 < 0.4-1ubuntu0.1~esm2 | 0.4-1ubuntu0.1~esm2 |
| redhat | ansible_tower | — | — |
| redhat | enterprise_linux_desktop | — | — |
| redhat | enterprise_linux_server | — | — |
| redhat | enterprise_linux_workstation | — | — |
CVSS provenance
nvdv3.06.5MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
vendor_ubuntu6.5MEDIUM
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Ubuntu
libmspack vulnerabilities
vendor_ubuntu·2025-10-01·CVSS 4.3
CVE-2018-14679 [MEDIUM] libmspack vulnerabilities
Title: libmspack vulnerabilities
Summary: Several security issues were fixed in libmspack.
Jakub Wilk discovered that libmspack did not correctly handle certain
integer operations and bounds checking. A remote attacker could possibly
use this issue to cause a denial of service. (CVE-2015-4467, CVE-2015-4468,
CVE-2015-4469, CVE-2015-4472)
It was discovered that libmspack incorrectly handled certain malformed CAB
files. A remote attacker could use this issue to cause libmspack to crash,
resulting in a denial of service. (CVE-2017-11423)
It was discovered that libmspack incorrectly handled certain malformed CHM
files. A remote attacker could use this issue to cause libmspack to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2017-6419)
Hanno Böck discove
Ubuntu
ClamAV vulnerabilities
vendor_ubuntu·2018-10-16
CVE-2018-14679 ClamAV vulnerabilities
Title: ClamAV vulnerabilities
Summary: ClamAV could be made to crash if it opened a specially crafted file.
USN-3789-1 fixed a vulnerability in ClamAV. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered that ClamAV incorrectly handled unpacking MEW
executables. A remote attacker could possibly use this issue to cause
ClamAV to crash, resulting in a denial of service.
Instructions: This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.
Ubuntu
ClamAV vulnerabilities
vendor_ubuntu·2018-08-02·CVSS 6.5
CVE-2018-14679 [MEDIUM] ClamAV vulnerabilities
Title: ClamAV vulnerabilities
Summary: Several security issues were fixed in ClamAV.
USN-3728-2 fixed several vulnerabilities in ClamAV. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Hanno Böck discovered that libmspack incorrectly handled certain CHM files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-14679, CVE-2018-14680)
Jakub Wilk discovered that libmspack incorrectly handled certain KWAJ files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2018-14681)
Dmitry Glavatskikh discovered that libmspack incorrectly certain CHM files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2018-14682)
Instructions: In general, a standard system update will
Ubuntu
ClamAV vulnerabilities
vendor_ubuntu·2018-08-01·CVSS 6.5
CVE-2018-14679 [MEDIUM] ClamAV vulnerabilities
Title: ClamAV vulnerabilities
Summary: Several security issues were fixed in ClamAV.
USN-3728-1 fixed several vulnerabilities in libmspack. In Ubuntu 14.04
libmspack is included into ClamAV. This update provides the corresponding
update for Ubuntu 14.04 LTS.
Original advisory details:
Hanno Böck discovered that libmspack incorrectly handled certain CHM files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-14679, CVE-2018-14680)
Jakub Wilk discovered that libmspack incorrectly handled certain KWAJ files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2018-14681)
Dmitry Glavatskikh discovered that libmspack incorrectly certain CHM files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2018-14682)
I
Ubuntu
libmspack vulnerabilities
vendor_ubuntu·2018-08-01·CVSS 6.5
CVE-2018-14679 [MEDIUM] libmspack vulnerabilities
Title: libmspack vulnerabilities
Summary: Several security issues were fixed in libmspack.
Hanno Böck discovered that libmspack incorrectly handled certain CHM files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-14679, CVE-2018-14680)
Jakub Wilk discovered that libmspack incorrectly handled certain KWAJ files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2018-14681)
Dmitry Glavatskikh discovered that libmspack incorrectly certain CHM files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2018-14682)
Instructions: In general, a standard system update will make all the necessary changes.
Red Hat
libmspack: off-by-one error in the CHM PMGI/PMGL chunk number validity checks
vendor_redhat·2018-05-12·CVSS 6.5
CVE-2018-14679 [MEDIUM] CWE-193 libmspack: off-by-one error in the CHM PMGI/PMGL chunk number validity checks
libmspack: off-by-one error in the CHM PMGI/PMGL chunk number validity checks
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).
Statement: This issue affects the versions of libmspack as shipped with Red Hat Enterprise Linux 7.
Package: libmspack (Red Hat Enterprise Linux 8) - Not affected
Debian
CVE-2018-14679: libmspack - An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is ...
vendor_debian·2018·CVSS 6.5
CVE-2018-14679 [MEDIUM] CVE-2018-14679: libmspack - An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is ...
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).
Scope: local
bookworm: resolved (fixed in 0.7-1)
bullseye: resolved (fixed in 0.7-1)
forky: resolved (fixed in 0.7-1)
sid: resolved (fixed in 0.7-1)
trixie: resolved (fixed in 0.7-1)
OSV
libmspack vulnerabilities
osv·2025-10-01·CVSS 4.3
CVE-2015-4467 [MEDIUM] libmspack vulnerabilities
libmspack vulnerabilities
Jakub Wilk discovered that libmspack did not correctly handle certain
integer operations and bounds checking. A remote attacker could possibly
use this issue to cause a denial of service. (CVE-2015-4467, CVE-2015-4468,
CVE-2015-4469, CVE-2015-4472)
It was discovered that libmspack incorrectly handled certain malformed CAB
files. A remote attacker could use this issue to cause libmspack to crash,
resulting in a denial of service. (CVE-2017-11423)
It was discovered that libmspack incorrectly handled certain malformed CHM
files. A remote attacker could use this issue to cause libmspack to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2017-6419)
Hanno Böck discovered that libmspack incorrectly handled certain CHM files.
An attac
GHSA
GHSA-jrp9-m5qh-vr83: An issue was discovered in mspack/chmd
ghsa_unreviewed·2022-05-13
CVE-2018-14679 [MEDIUM] CWE-193 GHSA-jrp9-m5qh-vr83: An issue was discovered in mspack/chmd
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).
OSV
clamav vulnerabilities
osv·2018-08-01·CVSS 6.5
CVE-2018-14679 [MEDIUM] clamav vulnerabilities
clamav vulnerabilities
USN-3728-1 fixed several vulnerabilities in libmspack. In Ubuntu 14.04
libmspack is included into ClamAV. This update provides the corresponding
update for Ubuntu 14.04 LTS.
Original advisory details:
Hanno Böck discovered that libmspack incorrectly handled certain CHM files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-14679, CVE-2018-14680)
Jakub Wilk discovered that libmspack incorrectly handled certain KWAJ files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2018-14681)
Dmitry Glavatskikh discovered that libmspack incorrectly certain CHM files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2018-14682)
OSV
libmspack vulnerabilities
osv·2018-08-01·CVSS 6.5
CVE-2018-14679 [MEDIUM] libmspack vulnerabilities
libmspack vulnerabilities
Hanno Böck discovered that libmspack incorrectly handled certain CHM files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-14679, CVE-2018-14680)
Jakub Wilk discovered that libmspack incorrectly handled certain KWAJ files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2018-14681)
Dmitry Glavatskikh discovered that libmspack incorrectly certain CHM files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2018-14682)
OSV
CVE-2018-14679: An issue was discovered in mspack/chmd
osv·2018-07-28·CVSS 6.5
CVE-2018-14679 [MEDIUM] CVE-2018-14679: An issue was discovered in mspack/chmd
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).
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-14679 libmspack: off-by-one error in the CHM PMGI/PMGL chunk number validity checks [fedora-all]
bugzilla·2018-08-01·CVSS 6.5
CVE-2018-14679 [MEDIUM] CVE-2018-14679 libmspack: off-by-one error in the CHM PMGI/PMGL chunk number validity checks [fedora-all]
CVE-2018-14679 libmspack: off-by-one error in the CHM PMGI/PMGL chunk number validity checks [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects
Bugzilla
CVE-2018-14679 libmspack: off-by-one error in the CHM PMGI/PMGL chunk number validity checks [epel-all]
bugzilla·2018-08-01·CVSS 6.5
CVE-2018-14679 [MEDIUM] CVE-2018-14679 libmspack: off-by-one error in the CHM PMGI/PMGL chunk number validity checks [epel-all]
CVE-2018-14679 libmspack: off-by-one error in the CHM PMGI/PMGL chunk number validity checks [epel-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects mul
Bugzilla
CVE-2018-14679 libmspack: off-by-one error in the CHM PMGI/PMGL chunk number validity checks
bugzilla·2018-08-01·CVSS 6.5
CVE-2018-14679 [MEDIUM] CVE-2018-14679 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 PMGI/PMGL chunk number validity checks
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)
References:
http://openwall.com/lists/oss-security/2018/07/28/1
https://bugs.debian.org/904802
Upstream patch:
https://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312a
Discussion:
Created libmspack tracking bugs for this issue:
Affects: fedora-all [bug 1610891]
---
Created libmspack tracking bugs for this issue:
Affects: epel-all [bug 1610932]
---
Statement:
This issue affects the versions of libmspack as shipped with Red
http://www.openwall.com/lists/oss-security/2018/07/26/1http://www.securitytracker.com/id/1041410https://access.redhat.com/errata/RHSA-2018:3327https://access.redhat.com/errata/RHSA-2018:3505https://bugs.debian.org/904802https://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312ahttps://lists.debian.org/debian-lts-announce/2018/08/msg00007.htmlhttps://security.gentoo.org/glsa/201903-20https://usn.ubuntu.com/3728-1/https://usn.ubuntu.com/3728-2/https://usn.ubuntu.com/3728-3/https://usn.ubuntu.com/3789-2/https://www.debian.org/security/2018/dsa-4260http://www.openwall.com/lists/oss-security/2018/07/26/1http://www.securitytracker.com/id/1041410https://access.redhat.com/errata/RHSA-2018:3327https://access.redhat.com/errata/RHSA-2018:3505https://bugs.debian.org/904802https://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312ahttps://lists.debian.org/debian-lts-announce/2018/08/msg00007.htmlhttps://security.gentoo.org/glsa/201903-20https://usn.ubuntu.com/3728-1/https://usn.ubuntu.com/3728-2/https://usn.ubuntu.com/3728-3/https://usn.ubuntu.com/3789-2/https://www.debian.org/security/2018/dsa-4260
2018-07-28
Published