PwnKit: Local Privilege Escalation Vulnerability, Polkit pkexec (CVE-2021-4034)

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Turkey GNU Admin
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Published on ● Video Link: https://www.youtube.com/watch?v=8ao61wMJKhw


Duration: 0:43
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Polkit'in (eski adıyla PolicyKit) "pkexec" aracı üzerinden bir local privilige escalation zafiyeti yayınlandı.

Teknik okuma: https://blog.qualys.com/vulnerabilities-threat-research/2022/01/25/pwnkit-local-privilege-escalation-vulnerability-discovered-in-polkits-pkexec-cve-2021-4034

Zafiyetin, pkexec'in Mayıs 2009'da yayınlanan ilk sürümünden beri var olduğu bildirildi.

Geçici çözüm olarak, "/usr/bin/pkexec" dosyasındaki SUID bitinin kaldırılması öneriliyor.



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Tags:
pkexec
policy kit
polkit
pwnkit
vulnerability
linux
expolit