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ubuntuUbuntuUSN-4980-1
HistoryJun 03, 2021 - 12:00 a.m.

polkit vulnerability

2021-06-0300:00:00
ubuntu.com
207

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

6.9 Medium

AI Score

Confidence

Low

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

0.012 Low

EPSS

Percentile

84.8%

JSON

Releases

  • Ubuntu 21.04
  • Ubuntu 20.10
  • Ubuntu 20.04 LTS

Packages

  • policykit-1 - framework for managing administrative policies and privileges

Details

Kevin Backhouse discovered that polkit incorrectly handled errors in the
polkit_system_bus_name_get_creds_sync function. A local attacker could
possibly use this issue to escalate privileges.

OSVersionArchitecturePackageVersionFilename
Ubuntu21.04noarchlibpolkit-agent-1-0<Β 0.105-30ubuntu0.1UNKNOWN
Ubuntu21.04noarchgir1.2-polkit-1.0<Β 0.105-30ubuntu0.1UNKNOWN
Ubuntu21.04noarchlibpolkit-agent-1-0-dbgsym<Β 0.105-30ubuntu0.1UNKNOWN
Ubuntu21.04noarchlibpolkit-agent-1-dev<Β 0.105-30ubuntu0.1UNKNOWN
Ubuntu21.04noarchlibpolkit-gobject-1-0<Β 0.105-30ubuntu0.1UNKNOWN
Ubuntu21.04noarchlibpolkit-gobject-1-0-dbgsym<Β 0.105-30ubuntu0.1UNKNOWN
Ubuntu21.04noarchlibpolkit-gobject-1-dev<Β 0.105-30ubuntu0.1UNKNOWN
Ubuntu21.04noarchpolicykit-1<Β 0.105-30ubuntu0.1UNKNOWN
Ubuntu21.04noarchpolicykit-1-dbgsym<Β 0.105-30ubuntu0.1UNKNOWN
Ubuntu21.04noarchpolicykit-1-doc<Β 0.105-30ubuntu0.1UNKNOWN
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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

6.9 Medium

AI Score

Confidence

Low

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

0.012 Low

EPSS

Percentile

84.8%

JSON
Related for USN-4980-1
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