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ubuntuUbuntuUSN-4512-1
HistorySep 17, 2020 - 12:00 a.m.

util-linux vulnerability

2020-09-1700:00:00
ubuntu.com
95

CVSS2

7.2

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

7.8

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

7.9

Confidence

High

EPSS

0

Percentile

5.1%

JSON

Releases

  • Ubuntu 18.04 ESM

Packages

  • util-linux - miscellaneous system utilities

Details

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.

OSVersionArchitecturePackageVersionFilename
Ubuntu18.04noarchutil-linux< 2.31.1-0.4ubuntu3.7UNKNOWN
Ubuntu18.04noarchbsdutils< 1:2.31.1-0.4ubuntu3.7UNKNOWN
Ubuntu18.04noarchbsdutils-dbgsym< 1:2.31.1-0.4ubuntu3.7UNKNOWN
Ubuntu18.04noarchfdisk< 2.31.1-0.4ubuntu3.7UNKNOWN
Ubuntu18.04noarchfdisk-dbgsym< 2.31.1-0.4ubuntu3.7UNKNOWN
Ubuntu18.04noarchfdisk-udeb< 2.31.1-0.4ubuntu3.7UNKNOWN
Ubuntu18.04noarchlibblkid-dev< 2.31.1-0.4ubuntu3.7UNKNOWN
Ubuntu18.04noarchlibblkid1< 2.31.1-0.4ubuntu3.7UNKNOWN
Ubuntu18.04noarchlibblkid1-dbgsym< 2.31.1-0.4ubuntu3.7UNKNOWN
Ubuntu18.04noarchlibblkid1-udeb< 2.31.1-0.4ubuntu3.7UNKNOWN
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1-10 of 371

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CVSS2

7.2

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

7.8

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

7.9

Confidence

High

EPSS

0

Percentile

5.1%

JSON
Related for USN-4512-1
nessus16cvelist1openvas14prion1debian2osv3amazon1gentoo1cloudfoundry1fedora1debiancve1redhatcve1nvd1mageia1broadcom1cve1suse2ubuntucve1rosalinux1photon2avleonov1