Security Advisory - Two Privilege Escalation Vulnerabilities in Huawei Mate 7 Smartphones

The tzdriver module of Huawei Mate 7 smartphone has an input check error, which allows the user-mode application to modify kernel-mode memory data and maybe make system break down or application elevate privilege. (Vulnerability ID: HWPSIRT-2015-03011)

These Vulnerabilities have been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2015-4421.

The TEEOS module of Huawei Mate 7 smartphone which is used to realize the function of fingerprint identification has an input check error, which enables the attackers with the root permission to modify kernel-mode memory data of TEEOS module, which could make system break down, TEEOS be tampered or malicious code execution. (Vulnerability ID: HWPSIRT-2015-03012)
These Vulnerabilities have been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2015-4422.