CVE-2021-27562 – Arm Trusted Firmware Out-of-Bounds Write Vulnerability

https://notcve.org/view.php?id=CVE-2021-27562

In Arm Trusted Firmware M through 1.2, the NS world may trigger a system halt, an overwrite of secure data, or the printing out of secure data when calling secure functions under the NSPE handler mode. En Arm Trusted Firmware M versión hasta 1.2, el mundo NS puede activar una detención del sistema, una sobrescritura de datos seguros o la impresión de datos seguros al llamar a funciones seguras en el modo de controlador NSPE Arm Trusted Firmware contains an out-of-bounds write vulnerability allowing the non-secure (NS) world to trigger a system halt, overwrite secure data, or print out secure data when calling secure functions under the non-secure processing environment (NSPE) handler mode. This vulnerability affects Yealink Device Management servers. • https://developer.arm.com/support/arm-security-updates https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/svc_caller_sp_fetching_vulnerability.rst • CWE-787: Out-of-bounds Write •