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gentooGentoo FoundationGLSA-202101-33
HistoryJan 26, 2021 - 12:00 a.m.

sudo: Multiple vulnerabilities

2021-01-2600:00:00
Gentoo Foundation
security.gentoo.org
34
sudo
vulnerabilities
local users
unauthorized privileges

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

AI Score

8.3

Confidence

Low

EPSS

0.958

Percentile

99.5%

Background

sudo (su “do”) allows a system administrator to delegate authority to give certain users (or groups of users) the ability to run some (or all) commands as root or another user while providing an audit trail of the commands and their arguments.

Description

Multiple vulnerabilities have been discovered in sudo. Please review the CVE identifiers referenced below for details.

Impact

Local users are able to gain unauthorized privileges on the system or determine the existence of files.

Workaround

There is no known workaround at this time.

Resolution

All sudo users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-admin/sudo-1.9.5_p2"
OSVersionArchitecturePackageVersionFilename
Gentooanyallapp-admin/sudo< 1.9.5_p2UNKNOWN

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

AI Score

8.3

Confidence

Low

EPSS

0.958

Percentile

99.5%