Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2022.0363
policykit-1 security update
27 January 2022
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AusCERT Security Bulletin Summary
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Product: policykit-1
Publisher: Debian
Operating System: Debian GNU/Linux
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-4034
Reference: ESB-2022.0352
Original Bulletin:
https://lists.debian.org/debian-security-announce/2022/msg00024.html
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Debian LTS Advisory DLA-2899-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Salvatore Bonaccorso
January 25, 2022 https://wiki.debian.org/LTS
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Package : policykit-1
Version : 0.105-18+deb9u2
CVE ID : CVE-2021-4034
The Qualys Research Labs discovered a local privilege escalation in
PolicyKit's pkexec.
Details can be found in the Qualys advisory at
https://www.qualys.com/2022/01/25/cve-2021-4034/pwnkit.txt
For Debian 9 stretch, this problem has been fixed in version
0.105-18+deb9u2.
We recommend that you upgrade your policykit-1 packages.
For the detailed security status of policykit-1 please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/policykit-1
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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