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ubuntuUbuntuUSN-4705-2
HistoryJan 27, 2021 - 12:00 a.m.

Sudo vulnerability

2021-01-2700:00:00
ubuntu.com
215

7.8 High

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

8.2 High

AI Score

Confidence

High

7.2 High

CVSS2

Access Vector

LOCAL

Access 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

0.971 High

EPSS

Percentile

99.8%

JSON

Releases

  • Ubuntu 14.04 ESM
  • Ubuntu 12.04

Packages

  • sudo - Provide limited super user privileges to specific users

Details

USN-4705-1 fixed a vulnerability in Sudo. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that Sudo incorrectly handled memory when parsing command
lines. A local attacker could possibly use this issue to obtain unintended
access to the administrator account. (CVE-2021-3156)

OSVersionArchitecturePackageVersionFilename
Ubuntu14.04noarchsudo< 1.8.9p5-1ubuntu1.5+esm6UNKNOWN
Ubuntu14.04noarchsudo< 1.8.9p5-1ubuntu1.4UNKNOWN
Ubuntu14.04noarchsudo-dbgsym< 1.8.9p5-1ubuntu1.4UNKNOWN
Ubuntu14.04noarchsudo-ldap< 1.8.9p5-1ubuntu1.4UNKNOWN
Ubuntu14.04noarchsudo-ldap-dbgsym< 1.8.9p5-1ubuntu1.4UNKNOWN
Ubuntu12.04noarchsudo< 1.8.3p1-1ubuntu3.10UNKNOWN
Ubuntu12.04noarchsudo-dbgsym< 1.8.3p1-1ubuntu3.10UNKNOWN
Ubuntu12.04noarchsudo-ldap< 1.8.3p1-1ubuntu3.10UNKNOWN
Ubuntu12.04noarchsudo-ldap-dbgsym< 1.8.3p1-1ubuntu3.10UNKNOWN

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7.8 High

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

8.2 High

AI Score

Confidence

High

7.2 High

CVSS2

Access Vector

LOCAL

Access 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

0.971 High

EPSS

Percentile

99.8%

JSON
Related for USN-4705-2
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