CVE-2021-3560

Red Hat Polkit Incorrect Authorization Vulnerability

Polkit

It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to, for example, create a new local administrator. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

16. Feb 2022

Ausgewertete Quellen

• Red Hat
  https://bugzilla.redhat.com/show_bug.cgi?id=1961710
• Hinweis
  http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html
• Hinweis
  http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html
• Hinweis
  https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/
• CISA
  https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3560
• CISA
  Red Hat Polkit Incorrect Authorization Vulnerability
• NVD
  CVE-2021-3560