CVE-2017-18159 : Exploit Details and Defense Strategies

An array out of bounds access vulnerability in Android releases from CAF using the Linux kernel.

Understanding CVE-2017-18159

A vulnerability in Qualcomm components that could lead to an array out of bounds access.

What is CVE-2017-18159?

An array out of bounds access vulnerability in Android releases from CAF using the Linux kernel
Specifically affects Android for MSM, Firefox OS for MSM, QRD Android

The Impact of CVE-2017-18159

Potential array out of bounds access when processing a StrHwPlatform with a length smaller than EFICHIPINFO_MAX_ID_LENGTH
Vulnerability exists in Android releases from CAF using the Linux kernel

Technical Details of CVE-2017-18159

Qualcomm components are affected by this vulnerability.

Vulnerability Description

Improper restriction of operations within the bounds of a memory buffer in boot

Affected Systems and Versions

Product: Android for MSM, Firefox OS for MSM, QRD Android
Vendor: Qualcomm, Inc.
Versions: All Android releases from CAF using the Linux kernel

Exploitation Mechanism

Array out of bounds access may occur when processing a StrHwPlatform with a length smaller than EFICHIPINFO_MAX_ID_LENGTH

Mitigation and Prevention

Steps to address and prevent the CVE-2017-18159 vulnerability.

Immediate Steps to Take

Apply security patch level of 2018-06-05 or later
Monitor vendor security bulletins for updates

Long-Term Security Practices

Regularly update software and firmware
Implement secure coding practices

Patching and Updates

Refer to Qualcomm and Android security bulletins for patch information