CVE-2018-10923
5.5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:P/A:N
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
7.9 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
54.6%
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.
Affected configurations
References
lists.opensuse.org/opensuse-security-announce/2020-01/msg00035.html
access.redhat.com/errata/RHSA-2018:2607
access.redhat.com/errata/RHSA-2018:2608
access.redhat.com/errata/RHSA-2018:3470
bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10923
lists.debian.org/debian-lts-announce/2018/09/msg00021.html
lists.debian.org/debian-lts-announce/2021/11/msg00000.html
security.gentoo.org/glsa/201904-06
Related
5.5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:P/A:N
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
7.9 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
54.6%