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gentooGentoo FoundationGLSA-202107-31
HistoryJul 13, 2021 - 12:00 a.m.

polkit: Privilege escalation

2021-07-1300:00:00
Gentoo Foundation
security.gentoo.org
51

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

7.2 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

84.9%

JSON

Background

polkit is a toolkit for managing policies related to unprivileged processes communicating with privileged process.

Description

The function polkit_system_bus_name_get_creds_sync() was called without checking for error, and as such temporarily treats the authentication request as coming from root.

Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

Resolution

All polkit users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=sys-auth/polkit-0.119"
OSVersionArchitecturePackageVersionFilename
Gentooanyallsys-auth/polkit<Β 0.119UNKNOWN

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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

7.2 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

84.9%

JSON
Related for GLSA-202107-31
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