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centosCentOS ProjectCESA-2019:0230
HistoryMar 08, 2019 - 3:46 p.m.

polkit security update

2019-03-0815:46:15
CentOS Project
lists.centos.org
487

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

0.001 Low

EPSS

Percentile

33.2%

CentOS Errata and Security Advisory CESA-2019:0230

The polkit packages provide a component for controlling system-wide privileges. This component provides a uniform and organized way for non-privileged processes to communicate with privileged ones.

Security Fix(es):

  • polkit: Temporary auth hijacking via PID reuse and non-atomic fork (CVE-2019-6133)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank Jan Rybar (freedesktop.org) for reporting this issue. Upstream acknowledges Jann Horn (Google Project Zero) as the original reporter.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2019-April/085433.html
https://lists.centos.org/pipermail/centos-announce/2019-April/098187.html
https://lists.centos.org/pipermail/centos-announce/2019-March/085377.html

Affected packages:
polkit
polkit-devel
polkit-docs

Upstream details at:
https://access.redhat.com/errata/RHSA-2019:0230

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

0.001 Low

EPSS

Percentile

33.2%