CVE-2018-14661: debian debian_linux Improper Input Validation
CVSS: 6.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-14661DEBIAN-CVE-2018-14661
Published 31-10-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-14661 is a medium (CVSS 6.5) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 2.66% chance of exploitation in the next 30 days, higher than 85.4% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.0 (CVE.org)EPSS score
2.66%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 1Timeline
- 31-10-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
It was found that usage of snprintf function in feature/locks translator of glusterfs server 3.8.4, as shipped with Red Hat Gluster Storage, was vulnerable to a format string attack. A remote, authenticated attacker could use this flaw to cause remote denial of service.
CVSS metrics
7 scores · 4 sources · 3 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Medium 6.5Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- NVDNIST6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.66%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
0.00 pp
From 2.66% on 18-09-2026
18-09-202618-10-2026
EPSS score2.66%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-134Use of Externally-Controlled Format StringThe product uses a function that accepts a format string as an argument, but the format string originates from an external source.
Affected systems
Redhat3 products
- enterprise_linux_server6.0 | 7.0
- virtualization4.0
- virtualization_host4.0
Debian2 products
- glusterfs< 5.1-1
- debian_linuxEOL8.0 | 9.0
Gluster1 product
- glusterfs3.8.4
The gluster project1 product
- glusterfs-server3.8.4
Ubuntu1 product
- glusterfs< 3.4.2-1ubuntu1+esm1 | < 3.7.6-1ubuntu1+esm1 | < 3.13.2-1ubuntu1+esm1
5 vendors · 8 products
References
14 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14661X Refsource CONFIRMIssue TrackingThird Party AdvisoryREPORT
lists.debian.org/debian-lts-announce/2018/11/msg00003.htmlMailing ListX Refsource MLISTThird Party Advisory- lists.debian.org/debian-lts-announce/2021/11/msg00000.htmlMailing ListX Refsource MLISTThird Party Advisory
