High severity · published Jul 28, 2018
CVE-2018-14682
An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha
8.8
CVSS
3.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.6% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AT
Ansible Tower · Redhat
3.3 · source: NVD
CA
Cabextract · Cabextract Project
through 1.5 · source: NVD
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
LI
Libmspack · Cabextract
0.0.20060920; 0.3; 0.4; 0.5; 0.6 · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 16.04; 18.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-14682
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-14682
Mailing List
http://www.openwall.com/lists/oss-security/2018/07/26/1
Third Party Advisory
http://www.securitytracker.com/id/1041410
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3327
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3505
Issue Tracking
https://bugs.debian.org/904800
Patch
https://github.com/kyz/libmspack/commit/4fd9ccaa54e1aebde1e4b95fb0163b699fd7bcc8
More from Libmspack
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CVE-2018-14681
An issue was discovered in kwajd_read_headers in mspack/kwajd.c in libmspack before 0.7alpha
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CVE-2018-14680
An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha
6.5
CVE-2018-14679
An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha