CVE-2018-10923: debian debian_linux Improper Input Validation
CVSS: 8.1v3.1HighModified
AliasesUBUNTU-CVE-2018-10923DEBIAN-CVE-2018-10923
Published 04-09-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-10923 is a high (CVSS 8.1) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 1.67% chance of exploitation in the next 30 days, higher than 76.4% of scored vulnerabilities.
CVSS score
8.1/10
010
High · v3.1 (NVD)EPSS score
1.67%
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 7 · Related 2Timeline
- 04-09-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
It was found that the "mknod" call derived from mknod(2) can create files pointing to devices on a glusterfs server node. An authenticated attacker could use this to create an arbitrary device and read data from any device attached to the glusterfs server node.
CVSS metrics
7 scores · 4 sources · 3 versionsHigh 8.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- OSV · DebianEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
High 7.6Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:LSources3 sources · 7.6–8.1
- NVDNIST7.6HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
- OSV · UbuntuEcosystem advisory · calculated8.1HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NDiffers
Medium 5.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.67%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
0.00 pp
From 1.67% on 18-09-2026
18-09-202618-10-2026
EPSS score1.67%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- glusterfs< 4.1.4-1
- debian_linuxEOL8.0 | 9.0
Redhat2 products
- enterprise_linux_server6.0 | 7.0
- virtualization_host4.0
Gluster1 product
- glusterfs≥ 3.12.0, < 3.12.14 | ≥ 4.1.0, < 4.1.8
Opensuse1 product
- leapEOL15.1
Red hat1 product
- glusterfsall
Ubuntu1 product
- glusterfs< 3.4.2-1ubuntu1+esm1 | < 3.7.6-1ubuntu1+esm1 | < 3.13.2-1ubuntu1+esm1
6 vendors · 8 products
References
13 links- lists.debian.org/debian-lts-announce/2018/09/msg00021.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-01/msg00035.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/11/msg00000.htmlMailing ListX Refsource MLISTThird Party Advisory