high7.8Known exploitedPublic exploit code
CVE-2021-3560
Red Hat Polkit Incorrect Authorization Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2023-05-12. Federal due date: 2023-06-02.
Apply updates per vendor instructions.
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- Polkit 0.105-26 0.117-2 - Local Privilege Escalation2021-06-15 · local · linux · Verified
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Polkit Project | Polkit | before 0.119 |
| Debian | Debian Linux | Version 11.0 |
| Canonical | Ubuntu Linux | Version 20.04 |
| Redhat | Virtualization | Version 4.0 |
| Redhat | Virtualization Host | Version 4.0 |
| Redhat | Openshift Container Platform | Version 4.7 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html
- http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1961710
- https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/
- http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html
- http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1961710
- https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3560