CVE-2019-6133

2019-01-1114:29:00

Alpine Linux Development Team

security.alpinelinux.org

CVSS2

4.4

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

CVSS3

6.7

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

AI Score

6.5

Confidence

High

EPSS

0.001

Percentile

33.0%

JSON

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