CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
5.1%
It was discovered that the umount bash completion script shipped in
util-linux incorrectly handled certain mountpoints. If a local attacker
were able to create arbitrary mountpoints, another user could be tricked
into executing arbitrary code when attempting to run the umount command
with bash completion.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 18.04 | noarch | util-linux | < 2.31.1-0.4ubuntu3.7 | UNKNOWN |
Ubuntu | 18.04 | noarch | bsdutils | < 1:2.31.1-0.4ubuntu3.7 | UNKNOWN |
Ubuntu | 18.04 | noarch | bsdutils-dbgsym | < 1:2.31.1-0.4ubuntu3.7 | UNKNOWN |
Ubuntu | 18.04 | noarch | fdisk | < 2.31.1-0.4ubuntu3.7 | UNKNOWN |
Ubuntu | 18.04 | noarch | fdisk-dbgsym | < 2.31.1-0.4ubuntu3.7 | UNKNOWN |
Ubuntu | 18.04 | noarch | fdisk-udeb | < 2.31.1-0.4ubuntu3.7 | UNKNOWN |
Ubuntu | 18.04 | noarch | libblkid-dev | < 2.31.1-0.4ubuntu3.7 | UNKNOWN |
Ubuntu | 18.04 | noarch | libblkid1 | < 2.31.1-0.4ubuntu3.7 | UNKNOWN |
Ubuntu | 18.04 | noarch | libblkid1-dbgsym | < 2.31.1-0.4ubuntu3.7 | UNKNOWN |
Ubuntu | 18.04 | noarch | libblkid1-udeb | < 2.31.1-0.4ubuntu3.7 | UNKNOWN |
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
5.1%