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ubuntuUbuntuUSN-4263-1
HistoryFeb 03, 2020 - 12:00 a.m.

Sudo vulnerability

2020-02-0300:00:00
ubuntu.com
88

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

7.9 High

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

55.0%

JSON

Releases

  • Ubuntu 19.10
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM

Packages

  • sudo - Provide limited super user privileges to specific users

Details

Joe Vennix discovered that Sudo incorrectly handled memory operations when
the pwfeedback option is enabled. A local attacker could possibly use this
issue to obtain unintended access to the administrator account.

OSVersionArchitecturePackageVersionFilename
Ubuntu19.10noarchsudo< 1.8.27-1ubuntu4.1UNKNOWN
Ubuntu19.10noarchsudo-dbgsym< 1.8.27-1ubuntu4.1UNKNOWN
Ubuntu19.10noarchsudo-ldap< 1.8.27-1ubuntu4.1UNKNOWN
Ubuntu19.10noarchsudo-ldap-dbgsym< 1.8.27-1ubuntu4.1UNKNOWN
Ubuntu18.04noarchsudo< 1.8.21p2-3ubuntu1.2UNKNOWN
Ubuntu18.04noarchsudo-dbgsym< 1.8.21p2-3ubuntu1.2UNKNOWN
Ubuntu18.04noarchsudo-ldap< 1.8.21p2-3ubuntu1.2UNKNOWN
Ubuntu18.04noarchsudo-ldap-dbgsym< 1.8.21p2-3ubuntu1.2UNKNOWN
Ubuntu16.04noarchsudo< 1.8.16-0ubuntu1.9UNKNOWN
Ubuntu16.04noarchsudo-dbgsym< 1.8.16-0ubuntu1.9UNKNOWN
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1-10 of 121

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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

7.9 High

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

55.0%

JSON
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