CVE-2017-1000412

Linaro's open source TEE solution called OP-TEE, version 2.4.0 and older is vulnerable to the bellcore attack in the LibTomCrypt code resulting in compromised private RSA key...

CVE-2017-1000413

Linaro's open source TEE solution called OP-TEE, version 2.4.0 and older is vulnerable a timing attack in the Montgomery parts of libMPA in OP-TEE resulting in a compromised private RSA key...

CVE-2017-8142

The Trusted Execution Environment TEE module driver of Mate 9 and Mate 9 Pro smart phones with software versions earlier than MHA-AL00BC00B221 and versions earlier than LON-AL00BC00B221 has a use after free UAF vulnerability. An attacker tricks a user into installing a malicious application, and...

Design/Logic Flaw

The Trusted Execution Environment TEE module driver of Mate 9 and Mate 9 Pro smart phones with software versions earlier than MHA-AL00BC00B221 and versions earlier than LON-AL00BC00B221 has a use after free UAF vulnerability. An attacker tricks a user into installing a malicious application, and...

CVE-2017-8142

CVE-2017-8142 affects Huawei Mate 9 and Mate 9 Pro devices, where the TEE module driver is vulnerable to a Use-After-Free (UAF). The issue occurs on software versions earlier than MHA-AL00BC00B221 and LON-AL00BC00B221. An attacker can entice a user to install a malicious app that spawns multiple ...

CVE-2017-8142

The Trusted Execution Environment TEE module driver of Mate 9 and Mate 9 Pro smart phones with software versions earlier than MHA-AL00BC00B221 and versions earlier than LON-AL00BC00B221 has a use after free UAF vulnerability. An attacker tricks a user into installing a malicious application, and...

Amazon Linux AMI : libtommath / libtomcrypt (ALAS-2017-864)

possible OP-TEE Bleichenbacher attack : The rsaverifyhashex function in rsaverifyhash.c in LibTomCrypt, as used in OP-TEE before 2.2.0, does not validate that the message length is equal to the ASN.1 encoded data length, which makes it easier for remote attackers to forge RSA signatures or public...

Medium: libtommath, libtomcrypt

Issue Overview: possible OP-TEE Bleichenbacher attack: The rsaverifyhashex function in rsaverifyhash.c in LibTomCrypt, as used in OP-TEE before 2.2.0, does not validate that the message length is equal to the ASN.1 encoded data length, which makes it easier for remote attackers to forge RSA...

Trust Issues: Exploiting TrustZone TEEs

Posted by Gal Beniamini, Project Zero Mobile devices are becoming an increasingly privacy-sensitive platform. Nowadays, devices process a wide range of personal and private information of a sensitive nature, such as biometric identifiers, payment data and cryptographic keys. Additionally, modern...

Security Advisory - Use After Free Vulnerability in TEE Module of Some Huawei Smart Phones

The Trusted Execution Environment TEE module driver of some Huawei smart phones has a use after free UAF vulnerability. An attacker tricks a user into installing a malicious application, and the application can start multiple threads and try to create and free specific memory, which could trigger...

CVE-2016-10341

In all Android releases from CAF using the Linux kernel, 3rd party TEEs have more privilege than intended...

Design/Logic Flaw

In all Android releases from CAF using the Linux kernel, 3rd party TEEs have more privilege than intended...

CVE-2016-10341

Technical details about CVE-2016-10341 are not provided in the connected documents. The initial description notes elevated privileges for third-party TEEs on CAF Android/Linux kernel, but no vendor, component, version, impact, or remediation details are disclosed here. Monitor for updates.

CVE-2016-6129

The rsaverifyhashex function in rsaverifyhash.c in LibTomCrypt, as used in OP-TEE before 2.2.0, does not validate that the message length is equal to the ASN.1 encoded data length, which makes it easier for remote attackers to forge RSA signatures or public certificates by leveraging a...

CVE-2016-6129

CVE-2016-6129 affects LibTomCrypt (used by OP-TEE before 2.2.0). The rsa_verify_hash_ex function does not validate that the message length matches the ASN.1 encoded data length, enabling Bleichenbacher-like forgery of RSA signatures or public certificates. Public disclosures in multiple feeds (De...

In-depth analysis of TIMA any kernel module authentication bypass vulnerability-vulnerability warning-the black bar safety net

In order to ensure that the Android device in Linux kernel the integrity of the, Samsung introduced a named“lkmauth”function. This function was originally designed to ensure that only the Samsung-approved those that the kernel module can only be loaded into the Linux kernel. TIMA any kernel modul...

TIMA Arbitrary Kernel Module Verification Bypass Vulnerability

Samsung's lkmauth feature suffers from a kernel module verification bypass vulnerability. TIMA Arbitrary Kernel Module Verification Bypass In order to ensure the integrity of the Linux Kernel on Android devices, Samsung has introduced a feature called "lkmauth". This feature is meant to make sure...

Two CVE case study: how to use Android in the trusted zone-vulnerability warning-the black bar safety net

This article from the actual departure, about how to step by step use of Android in the trusted zone TrustZone on. Here I am using a Huawei hisilicon the Trusted Execution Environment Trusted Execution Environment, TEE on. First of all, I found one can gain kernel privilege vulnerabilities, and...

Samsung Devices KNOX Extensions - OTP Service Heap Overflow

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=935 As a part of the KNOX extensions available on Samsung devices, Samsung provides a new service which allows the generation of OTP tokens. The tokens themselves are generated in a TrustZone application within the TEE UID:...

Samsung Devices KNOX Extensions - OTP TrustZone Trustlet Stack Buffer Overflow Exploit

Exploit for Android platform in category dos / poc / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=938 As a part of the KNOX extensions available on Samsung devices, Samsung provides a TrustZone trustlet which allows the generation of OTP tokens. The tokens themselves are...