Veille CVE
CVE-2021-3560
7.8 Élevée Exploitée activementCatalogue CISA KEV — Red Hat Polkit Incorrect Authorization Vulnerability
Ajoutée le 12/05/2023 · Échéance de correction (agences US) : 02/06/2023
Action requise : Apply updates per vendor instructions.
Description
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.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 7.8 Élevée | nvd@nist.gov (NVD) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 7.8 Élevée | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 2.0 | 7.2 Élevée | nvd@nist.gov (NVD) | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Faiblesses (CWE)
Références
- http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html Third Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1961710 Issue TrackingPatchVendor Advisory
- https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/ ExploitThird Party Advisory
- http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html Third Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1961710 Issue TrackingPatchVendor Advisory
- https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/ ExploitThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3560 US Government Resource