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Race Condition Affecting policykit-1 package, versions <0.105-15~deb8u4

0.0
medium

Snyk CVSS

    Attack Complexity High
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.08% (33rd percentile)
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NVD
6.7 medium
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Red Hat
7.3 high
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SUSE
6.7 medium

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  • Snyk ID SNYK-DEBIAN8-POLICYKIT1-318619
  • published 11 Jan 2019
  • disclosed 11 Jan 2019
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Introduced: 11 Jan 2019

CVE-2019-6133 Open this link in a new tab
CWE-362 Open this link in a new tab

How to fix?

Upgrade Debian:8 policykit-1 to version 0.105-15~deb8u4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream policykit-1 package and not the policykit-1 package as distributed by Debian. See How to fix? for Debian:8 relevant fixed versions and status.

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.

References