CVE-2018-10926: debian debian_linux Improper Input Validation
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2018-10926DEBIAN-CVE-2018-10926
Published 04-09-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-10926 is a high (CVSS 8.8) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 2.60% chance of exploitation in the next 30 days, higher than 85% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
2.60%
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
A flaw was found in RPC request using gfs3_mknod_req supported by glusterfs server. An authenticated attacker could use this flaw to write files to an arbitrary location via path traversal and execute arbitrary code on a glusterfs server node.
CVSS metrics
7 scores · 4 sources · 3 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
High 8.1Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NSources3 sources · 8.1–8.8
- NVDNIST8.1HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
Medium 6.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.60%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
0.00 pp
From 2.60% on 18-09-2026
18-09-202618-10-2026
EPSS score2.60%
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-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
Affected systems
Redhat3 products
- enterprise_linuxEOL6.0 | 7.0
- enterprise_linux_server6.0 | 7.0
- virtualization_host4.0
Debian2 products
- glusterfs< 4.1.4-1
- debian_linuxEOL8.0 | 9.0
Gluster1 product
- glusterfs≥ 3.12, < 3.12.14 | ≥ 4.1, < 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 · 9 products
References
13 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10926X Refsource CONFIRMIssue TrackingThird Party AdvisoryREPORT
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