CVE-2021-3560
CVE-2021-3560
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 7.8 · High · EPSS 23.7% · In KEV · Public exploit · Fix available
- Published
- Updated
Stack: system
Affected products and versions
polkit
- Versions
- polkit 0.119: Affected
No fix published
policykit-1 Debian:12
- Affected ranges
- ECOSYSTEM: < 0.105-31
Update to 0.105-31
policykit-1 Debian:13
- Affected ranges
- ECOSYSTEM: < 0.105-31
Update to 0.105-31
policykit-1 Debian:14
- Affected ranges
- ECOSYSTEM: < 0.105-31
Update to 0.105-31
policykit-1 Ubuntu:20.04:LTS
- Versions
- 0.105-26ubuntu1
- Affected ranges
- ECOSYSTEM: < 0.105-26ubuntu1.1
Update to 0.105-26ubuntu1.1
policykit-1 Ubuntu:22.04:LTS
- Affected ranges
- ECOSYSTEM: < 0.105-31
Update to 0.105-31
Original sources
- 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://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3560
- https://nvd.nist.gov/vuln/detail/CVE-2021-3560