Home/CVE/It was found that the "mknod" call derived from mknod(2) can create files pointing to devices on a glusterfs server node
CVE

CVE-2018-10923

It was found that the "mknod" call derived from mknod(2) can create files pointing to devices on a glusterfs server node

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.

HIGH · CVSS 8.1 EPSS 0.01206
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-20Improper Input Validation
▤

Affected Products & Versions

6
gluster glusterfs>= 3.12.0 and < 3.12.14
gluster glusterfs>= 4.1.0 and < 4.1.8
redhat virtualization hostall versions
debian linuxall versions
redhat enterprise linux serverall versions
opensuse leapall versions
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Sep 2018 · 02:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
⚑

Vendor Advisories

5
usnUSN-4770-1
suse-csafopenSUSE-SU-2020:0079-1
rhsaRHSA-2018:3470Moderate
rhsaRHSA-2018:2607Important
rhsaRHSA-2018:2608Important
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00035.htmlMailing ListThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10923Issue TrackingMitigation
https://lists.debian.org/debian-lts-announce/2018/09/msg00021.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00000.htmlMailing ListThird Party Advisory
https://security.gentoo.org/glsa/201904-06Third Party Advisory
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