The Maxim_smartpa_dev driver in Huawei P8 smartphones with software GRA-TL00 before GRA-TL00C01B230, GRA-CL00 before GRA-CL00C92B230, GRA-CL10 before GRA-CL10C92B230, GRA-UL00 before GRA-UL00C00B230, and GRA-UL10 before GRA-UL10C00B230 and Mate S smartphones with software CRR-TL00 before CRR-TL00C01B160SP01, CRR-UL00 before CRR-UL00C00B160, and CRR-CL00 before CRR-CL00C92B161 allow attackers to cause a denial of service (system crash) via a crafted application, which triggers an invalid memory access.
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the software by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: