7.1

CVE-2021-36133

The OPTEE-OS CSU driver for NXP i.MX SoC devices lacks security access configuration for several models, resulting in TrustZone bypass because the NonSecure World can perform arbitrary memory read/write operations on Secure World memory. This involves a DMA capable peripheral.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Trustedfirmware ≫ Op-tee Version-
   Nxp ≫ I.Mx 6 Version-
   Nxp ≫ I.Mx 6solox Version-
   Nxp ≫ I.Mx 6ull Version-
   Nxp ≫ I.Mx 6ulz Version-
   Nxp ≫ I.Mx 7ds Version-
   Nxp ≫ I.Mx6sx Version-
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.26% 0.171
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.1 1.8 5.2
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
NIST 3.6 3.9 4.9
AV:L/AC:L/Au:N/C:P/I:P/A:N
CWE-732 Incorrect Permission Assignment for Critical Resource

The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.

https://github.com/f-secure-foundry/advisories/blob/master/Security_Advisory-Ref_FSC-HWSEC-VR2021-0001-OP-TEE_TrustZone_bypass.txt
Third Party Advisory