SB2018051822 - Buffer overflow in Google, Google Android

Description

This security bulletin contains information about 1 security vulnerability.

1) Buffer overflow (CVE-ID: CVE-2017-15855)

The vulnerability allows a local authenticated user to execute arbitrary code.

In Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android with all Android releases from CAF using the Linux kernel before security patch level 2018-04-05, the camera application triggers "user-memory-access" issue as the Camera CPP module Linux driver directly accesses the application provided buffer, which resides in user space. An unchecked userspace value (ioctl_ptr->len) is used to copy contents to a kernel buffer which can lead to kernel buffer overflow.

Remediation

Install update from vendor's website.

References

• https://source.android.com/security/bulletin/pixel/2018-04-01
• https://www.codeaurora.org/security-bulletin/2018/03/29/march-2018-code-aurora-security-bulletin