CVE-2021-36133: Incorrect Permission Assignment for Critical Resource

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...

NXP i.MX SoC安全漏洞

NXP i.MX SoC is nxp's multi-core solution for multimedia and display applications with scalable, secure and reliable high-performance and low-power features. nXP i.MX SoC devices have a security vulnerability that stems from the OPTEE-OS CSU driver for NXP i.MX SoC devices lacking secure access...

Qualcomm 芯片输入验证错误漏洞

A Qualcomm chip is a chip from Qualcomm Incorporated USA. It is a way to miniaturize circuits primarily semiconductor devices, but also passive components, etc. and is often fabricated on the surface of semiconductor wafers. An input validation error vulnerability exists in multiple Qulcomm...

SAMSUNG Mobile devices 缓冲区错误漏洞

SAMSUNG Mobile devices are a range of Samsung mobile devices, including cell phones, tablets, etc., from South Korea's Samsung SAMSUNG. A buffer error vulnerability exists in SAMSUNG Mobile devices versions prior to SMR Nov-2021 Release 1, which stems from a lack of input validation in HDCP LDFW,...

Cisco IP Phone TrustZone Code Execution

The vulnerability of the TrustZone microprogramming system implementation in Cisco IP Phone series 8800 devices is related to the lack of a mechanism for checking the size of copied data. Exploiting this vulnerability could allow an attacker to execute arbitrary code...

CVE-2021-33478

The TrustZone implementation in certain Broadcom MediaxChange firmware could allow an unauthenticated, physically proximate attacker to achieve arbitrary code execution in the TrustZone Trusted Execution Environment TEE of an affected device. This, for example, affects certain Cisco IP Phone and...

CVE-2021-33478

The TrustZone implementation in certain Broadcom MediaxChange firmware could allow an unauthenticated, physically proximate attacker to achieve arbitrary code execution in the TrustZone Trusted Execution Environment TEE of an affected device. This, for example, affects certain Cisco IP Phone and...

Code injection

The TrustZone implementation in certain Broadcom MediaxChange firmware could allow an unauthenticated, physically proximate attacker to achieve arbitrary code execution in the TrustZone Trusted Execution Environment TEE of an affected device. This, for example, affects certain Cisco IP Phone and...

CVE-2021-33478

The CVE-2021-33478 issue concerns the TrustZone implementation in Broadcom MediaxChange firmware, affecting Cisco IP Phone and Wireless IP Phone devices. The vulnerability allows an unauthenticated, physically proximate attacker to achieve arbitrary code execution in the TrustZone TEE, with explo...

CVE-2021-33478

The TrustZone implementation in certain Broadcom MediaxChange firmware could allow an unauthenticated, physically proximate attacker to achieve arbitrary code execution in the TrustZone Trusted Execution Environment TEE of an affected device. This, for example, affects certain Cisco IP Phone and...

CVE-2021-33478: Improper Restriction of Operations within the Bounds of a Memory Buffer

The TrustZone implementation in certain Broadcom MediaxChange firmware could allow an unauthenticated, physically proximate attacker to achieve arbitrary code execution in the TrustZone Trusted Execution Environment TEE of an affected device. This, for example, affects certain Cisco IP Phone and...

Broadcom MediaxChange Vulnerability Affecting Cisco Products: July 2021

A vulnerability in the TrustZone implementation in certain Broadcom MediaxChange firmware was reported by security researchers. To exploit this vulnerability on the affected Cisco products, the attacker would need to dismount the backplate of the device and trigger a specific series of impulses o...

Broadcom Media exChange 缓冲区错误漏洞

Broadcom Media exChange is a router firmware. A security vulnerability exists in TrustZone in Broadcom Media exChange, which can be exploited by an attacker to elevate privileges and execute arbitrary code...

PT-2021-3791

Name of the Vulnerable Software and Affected Versions Cisco IP Phone series 8800 versions prior to 2021-07-07 Description The issue is related to the implementation of the TrustZone technology in the microprogram software of Cisco IP Phone series 8800. It is caused by a lack of mechanism for...

CVE-2021-34387

The ARM TrustZone Technology on which Trusty is based on contains a vulnerability in access permission settings where the portion of the DRAM reserved for TrustZone is identity-mapped by TLK with read, write, and execute permissions, which gives write access to kernel code and data that is...

CVE-2021-34387

The ARM TrustZone Technology on which Trusty is based on contains a vulnerability in access permission settings where the portion of the DRAM reserved for TrustZone is identity-mapped by TLK with read, write, and execute permissions, which gives write access to kernel code and data that is...

Design/Logic Flaw

Trusty contains a vulnerability in NVIDIA OTE protocol message parsing code, which is present in all the TAs. An incorrect bounds check can allow a local user through a malicious client to access memory from the heap in the TrustZone, which may lead to information disclosure...

Design/Logic Flaw

The ARM TrustZone Technology on which Trusty is based on contains a vulnerability in access permission settings where the portion of the DRAM reserved for TrustZone is identity-mapped by TLK with read, write, and execute permissions, which gives write access to kernel code and data that is...

CVE-2021-34387

The ARM TrustZone Technology on which Trusty is based on contains a vulnerability in access permission settings where the portion of the DRAM reserved for TrustZone is identity-mapped by TLK with read, write, and execute permissions, which gives write access to kernel code and data that is...

CVE-2021-34389

Trusty contains a vulnerability in NVIDIA OTE protocol message parsing code, which is present in all the TAs. An incorrect bounds check can allow a local user through a malicious client to access memory from the heap in the TrustZone, which may lead to information disclosure...