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gentooGentoo FoundationGLSA-202011-03
HistoryNov 03, 2020 - 12:00 a.m.

KPMCore: Root privilege escalation

2020-11-0300:00:00
Gentoo Foundation
security.gentoo.org
16

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

Access Complexity

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

5.1%

Background

KPMcore, the KDE Partition Manager core, is a library for examining and modifying partitions, disk devices, and filesystems on a Linux system. It provides a unified programming interface over top of (external) system-manipulation tools.

Description

Improper checks on the D-Bus request received resulted in improper protection for /etc/fstab.

Impact

An attacker could esclate privileges to root by exploiting this vulnerability.

Workaround

There is no known workaround at this time.

Resolution

All KPMCore users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=sys-libs/kpmcore-4.2.0"
OSVersionArchitecturePackageVersionFilename
Gentooanyallsys-libs/kpmcore< 4.2.0UNKNOWN

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

Access Complexity

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

5.1%