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alpinelinuxAlpine Linux Development TeamALPINE:CVE-2019-6133
HistoryJan 11, 2019 - 2:29 p.m.

CVE-2019-6133

2019-01-1114:29:00
Alpine Linux Development Team
security.alpinelinux.org
16

4.4 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

6.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

33.2%

In PolicyKit (aka polkit) 0.115, the “start time” protection mechanism can be bypassed because fork() is not atomic, and therefore authorization decisions are improperly cached. This is related to lack of uid checking in polkitbackend/polkitbackendinteractiveauthority.c.

OSVersionArchitecturePackageVersionFilename
Alpine3.7-mainnoarchpolkit< 0.105-r10UNKNOWN
Alpine3.8-mainnoarchpolkit< 0.105-r11UNKNOWN
Alpine3.9-mainnoarchpolkit< 0.105-r11UNKNOWN

4.4 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

6.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

33.2%