CVE-2019-6133

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
Link Resource
https://gitlab.freedesktop.org/polkit/polkit/merge_requests/19 Patch Third Party Advisory
https://gitlab.freedesktop.org/polkit/polkit/commit/c898fdf4b1aafaa04f8ada9d73d77c8bb76e2f81 Patch Third Party Advisory
https://git.kernel.org/linus/7b55851367136b1efd84d98fea81ba57a98304cf Patch Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1692 Issue Tracking Mailing List Third Party Advisory
http://www.securityfocus.com/bid/106537 Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2019/01/msg00021.html Mailing List Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0230 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0420 Third Party Advisory
https://usn.ubuntu.com/3901-2/ Third Party Advisory
https://usn.ubuntu.com/3901-1/ Third Party Advisory
https://usn.ubuntu.com/3903-2/ Third Party Advisory
https://usn.ubuntu.com/3903-1/ Third Party Advisory
https://usn.ubuntu.com/3908-1/ Third Party Advisory
https://usn.ubuntu.com/3908-2/ Third Party Advisory
https://usn.ubuntu.com/3910-2/ Third Party Advisory
https://usn.ubuntu.com/3910-1/ Third Party Advisory
https://support.f5.com/csp/article/K22715344 Third Party Advisory
https://usn.ubuntu.com/3934-1/ Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0832 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00041.html
https://lists.debian.org/debian-lts-announce/2019/05/msg00042.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00049.html
https://usn.ubuntu.com/3934-2/
https://access.redhat.com/errata/RHSA-2019:2699
https://access.redhat.com/errata/RHSA-2019:2978
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Configurations

Configuration 1 (hide)

cpe:2.3:a:polkit_project:polkit:0.115:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*

Configuration 4 (hide)

OR cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*

Configuration 5 (hide)

OR cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

Information

Published : 2019-01-11 06:29

Updated : 2020-08-24 10:37


NVD link : CVE-2019-6133

Mitre link : CVE-2019-6133


JSON object : View

CWE
CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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Products Affected

redhat

  • enterprise_linux_desktop
  • enterprise_linux_server_aus
  • enterprise_linux_workstation
  • enterprise_linux_server_tus
  • enterprise_linux_server_eus
  • enterprise_linux_server

polkit_project

  • polkit

canonical

  • ubuntu_linux

debian

  • debian_linux