Information disclosure in Google Android - CVE-2017-9681

 

Information disclosure in Google Android - CVE-2017-9681

Published: March 30, 2018 / Updated: August 8, 2020


Vulnerability identifier: #VU37348
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-9681
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Google
Affected software:
Google Android

Detailed vulnerability description

The vulnerability allows a remote authenticated user to gain access to sensitive information.

In Android before 2017-08-05 on Qualcomm MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF using the Linux kernel, if kernel memory address is passed from userspace through iris_vidioc_s_ext_ctrls ioctl, it will print kernel address data. A user could set it to an arbitrary kernel address, hence information disclosure (for kernel) could occur.


How to mitigate CVE-2017-9681

Install update from vendor's website.

Sources