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ubuntucveUbuntu.comUB:CVE-2020-27746
HistoryNov 27, 2020 - 12:00 a.m.

CVE-2020-27746

2020-11-2700:00:00
ubuntu.com
ubuntu.com
9
slurm
sensitive information
race condition
xauth
x11
/proc filesystem

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

3.7

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS

0.001

Percentile

32.2%

Slurm before 19.05.8 and 20.x before 20.02.6 exposes Sensitive Information
to an Unauthorized Actor because xauth for X11 magic cookies is affected by
a race condition in a read operation on the /proc filesystem.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchslurm-llnl< 17.11.2-1ubuntu0.1~esm4UNKNOWN
ubuntu20.04noarchslurm-llnl< 19.05.5-1ubuntu0.1~esm1UNKNOWN

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

3.7

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS

0.001

Percentile

32.2%