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AUSCERT External Security Bulletin Redistribution
[SECURITY] [DLA 1644-1] policykit-1 security update
29 January 2019
AusCERT Security Bulletin Summary
Operating System: Debian GNU/Linux 8
Impact/Access: Unauthorised Access -- Existing Account
CVE Names: CVE-2019-6133 CVE-2018-19788
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Package : policykit-1
Version : 0.105-15~deb8u4
CVE ID : CVE-2018-19788 CVE-2019-6133
Two vulnerabilities were found in Policykit, a framework for managing
administrative policies and privileges:
It was discovered that incorrect processing of very high UIDs in
Policykit could result in authentication bypass.
Jann Horn of Google found that Policykit doesn't properly check
if a process is already authenticated, which can lead to an
authentication reuse by a different user.
For Debian 8 "Jessie", these problems have been fixed in version
We recommend that you upgrade your policykit-1 packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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