CVE-2018-14679: cabextract_project cabextract Off-by-one Error
CVSS: 6.5v3.0MediumModified
AliasesALPINE-CVE-2018-14679SUSE-SU-2021:14850-1SUSE-SU-2021:3853-1SUSE-SU-2021:3859-1UBUNTU-CVE-2018-14679DEBIAN-CVE-2018-14679
Published 28-07-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-14679 is a medium (CVSS 6.5) Off-by-one Error vulnerability in cabextract_project cabextract. EPSS estimates a 3.27% chance of exploitation in the next 30 days, higher than 88.2% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.0 (NVD)EPSS score
3.27%
0%100%
Low · -0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 16 · Related 12Timeline
- 28-07-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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).
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
3.27%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
-0.04 pp
From 3.31% on 18-09-2026
18-09-202618-10-2026
EPSS score3.27%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse16 products
- clamav-openssl1&distro=SUSE Linux Enterprise Server 11-SECURITY< 0.103.4-0.20.41.1
- clamav&distro=HPE Helion OpenStack 8< 0.103.4-33.41.1
- clamav&distro=SUSE Linux Enterprise Point of Sale 11 SP3< 0.103.4-0.20.41.1
- clamav&distro=SUSE Linux Enterprise Server 11 SP4-LTSS< 0.103.4-0.20.41.1
- clamav&distro=SUSE Linux Enterprise Server 12 SP2-BCL< 0.103.4-33.41.1
Redhat4 products
Debian2 products
- libmspack< 0.7-1
- debian_linuxEOL8.0 | 9.0
Ubuntu2 products
- clamav< 0.100.1+dfsg-1ubuntu0.14.04.3
- libmspack< 0.4-1ubuntu0.1~esm2 | < 0.5-1ubuntu0.16.04.2 | < 0.6-3ubuntu0.1
Alpine1 product
- libmspack< 0.7.1_alpha-r0
Cabextract1 product
- libmspack0.0.20060920:alpha | 0.3:alpha | 0.4:alpha | 0.5:alpha | 0.6:alpha
Cabextract_project1 product
- cabextract≤ 1.5
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04 | 18.04
8 vendors · 28 products
References
30 links
- lists.debian.org/debian-lts-announce/2018/08/msg00007.htmlMailing ListX Refsource MLISTThird Party Advisory
- github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312aX Refsource MISCPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2018/07/26/1X Refsource MISCMailing ListThird Party AdvisoryREPORT